Suppose f(x)=16(6)x and g(x)=54(12.3)x. Solve for a and b in the following equations.
Remember that the answerbox is a calculator, so you can type calculations directly into the answerbox. 1. If f(a)=116, then a=log6(7.25) 2. If f(b)=g(b), then b=□
The Differential of a Function. Find the differential of the given function. Then, evaluate the differential at the indicated values. If y=xcos(x) then the differential of y is
dy=□ Note: Type dx for the differential of x
Evaluate the differential of y at x0=4.71239,dx=0.3dy∣x=x0dx=0.3=□ Note: Enter your answer accurate to 4 decimal places if it is not an Integrer.
Math 110 Course Resources
- Applications of Definite Integrals Course Packet on the area between two curves Determine the area of the region bounded by y=x3 and y=3x on the interval [1,10]. Area = □
MY NOTES
TANAPCALCBR10 4.4.010.MI.
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PRACTICE ANOTHER Find the absolute maximum value and the absolute minimum value, if any, of the function. (If an answer does not exist, enter DNE.)
g(x)=−x2+4x+7
maximum □
minimum □
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4x7+6x2x−5 Select the correct choice below and fill in any answer boxes within your choice.
(Simplify your answer. Use integers or fractions for any numbers in the expression. Use a comma to separate answers as needed.) A. 4x7+6x2x−5=, x=
B. 4x7+6x2x−5=, no numbers must be excluded.
For f(x)=8x−7 and g(x)=8x+7, find the following functions.
a. (f∘g)(x);b.(g∘f)(x); c. (f∘g)(6);d.(g∘f)(6)
a. (f∘g)(x)=□
(Simplify your answer.)
b. (g∘f)(x)=□
(Simplify your answer.)
c. (f∘g)(6)=□
d. (g∘f)(6)=□
b5⋅b3(s4r2)3(3rt)2(10mn)2(m3)5(3xy)3(4abc)2[(x2)3]2(igjaz2)2a2ab4bcc6da34x2y(x2y)3(yx)3(y2x)4(y3x)2(12x2y3)4
ACTIVITY:
Apply the laws of exponents and simplify.
Assume all denominators are not equal to zero.
Find the exact value, if any, of the following composite function. Do not use a calculator.
tan−1(tan54π) Select the correct choice below and, if necessary, fill in the answer box within your choice.
A. tan−1(tan54π)=□ (Simplify your answa / type an exact answer, using π as needed. Use integers or fractions
B. It is not defined.
Identifying equivalent algebraic expressions For each expression, select all equivalent expressions from the list. (a) 6x+426⋅x+6⋅76(x+7)48x6(7x+1) (b) 12+10y−7−y5y+95y+9y9+5y9y+5
Consider the following functions.
f(x)=x1 and g(x)=x−1 Step 2 of 2: Find the formula for (g∘f)(x) and simplify your answer. Then find the domain for (g∘f)(x). Round your answer to two decimal places, if necessary. Answer 2 Points (g∘f)(x)= Domain =
x→1lim(zz−22)(mm⋅e1/e−1)(dd⋅π1/π−1)(x1+e−xe)(100πq−981)(y−2)(ep−eπ)(xπ+1−xπ) Task:
Find the values of p, q, y, m, d, and z such that the above limit expression is indeterminate as x→1.
Graph the equation y=−x2−10x−24 on the accompanying set of axes. You must plot 5 points including the roots and the vertex. Using the graph, determine the equation of the axis of symmetry. Click to plot points. Click points to delete them.
Question 36
0/1 pt
3
99
Details You are performing a left-tailed test with test statistic z=−1.06, find the p -value to 4 decimal places
□
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Find the most general antiderivative by evaluating the following indefinite integral:
∫x5dx=□ NOTE: The general antiderivative should contain an arbitrary constant. Part 2. Evaluate the given definite integral.
∫964x5dx=□
Use synthetic division to determine if the given value for k is a zero of this polynomial. If not, determine p(k).
p(x)=2x3−4x2−4x−13;k=4 Answer Selecting an option will display any text boxes needed to complete your answer.
Is k a zero of this polynomial?
Yes No
Graph the equation y=x2−4x+3 on the accompanying set of axes. You must plot 5 points including the roots and the vertex. Click to plot points. Click points to delete them.
omplete: 79\% Question
Watch Video Expand the expression to a polynomial in standard form:
(3x2+x−2)(x2−2x+8) Answer Attempt 1 out of 3
□
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Question 19 Solve for the exact solutions in the interval [0,2π). List your answers separated by a comma, if it has no real solutions, enter DNE. sin(2x)=2−sin(2x) Submit Question
mplete: 93% Question
Complete the square to re-write the quadratic function in vertex form:
y=x2−4x−7
Context
Answer Attempt 1 out of 3
Gravity)
y=□
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Put the quadratic into vertex form and state the coordinates of the vertex.
y=x2+14x Answer Attempt 1 out of 3 Vertex Form: y=□
Vertex: □□
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Let u(x)=sin(x) and v(x)=x12 and f(x)=v(x)u(x). Find
u′(x)=v′(x)=f′= !!! The challenge is that the Quotient Differentiation Rule on Earth, f′=v2u′v−uv′, is "twisted" on Z Planet as the following:
f′=v2u′v′−uv (all the other rules might be also alternated but they are not given, so don't use them). Here Is The Story that happened to you earlier...
but now you're on board the spaceship #1573343500, and the captain is asking to solve tricky "ZP" (Z Planet) problem (you know what it means when captain is "asking"... that's an order):
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sinθ=33, 2π<θ<π
(a) sin(2θ)=
(Type an exact answer, using radicals as needed.)
(b) cos(2θ)
(c) sin2θ
(d) cos2θ
Use the information given about the angle θ to find the exact values of the following.
Question 28, 7.6.13
Part 1 of 4
LM est. 60 min
Select the correct description of right-hand and left-hand behavior of the graph of the polynomial function. f(x)=4−5x+2x2−5x3
Falls to the left, falls to the right
Rises to the left, rises to the right
Rises to the left, falls to the right
Falls to the left, rises to the right
Falls to the left
Solve u2=49, where u is a real number.
Simplify your answer as much as possible.
If there is more than one solution, separate them with commas.
If there is no solution, click on "No solution".
u=□
The reduction of iron(III) oxide to iron during steel-making can be summarized by this sequence of reactions:
2C(s)+O2(g)⇌2CO(g)Fe2O3(s)+3CO(g)⇌2Fe(l)+3CO2(g)K1K2 The net reaction is:
2Fe2O3(s)+6C(s)+3O2(g)⇌4Fe(l)+6CO2(g)K Write an equation that gives the overall equilibrium constant K in terms of the equilibrium constants K1 and K2. If you need to include any physical constants, be sure you use their standard symbols, which you'll find in the ALEKS Calculator.
K=□
Question 23
Solve: 2x+4<−6
State your solution as a simple inequality, e.g., x<A or x>A
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Solve: −8−3x≤−5 Give your answer as an inequality and reduce any fractions.
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sin(2x)=2sin(x)cos(x)1−x1=∑k=0∞xkex=∑k=0∞k!xksin(x)=∑k=0∞(2k+1)!(−1)kx2k+1cos(x)=∑k=0∞(2k)!(−1)kx2k 1. (2 1/2 points) The radius of convergence of the series ∑k=1∞k52k2kxk is:
A. 2.5
B. 12.5
C. 25
D. 225 2. (2 1/2 points) The first 3 terms of the Maclaurin series of the function f(x)=sin(x)cos(x) are:
A. x−32x3+152x5
B. 1−3x2+152x4
C. x−32x3+152x5
D. 1−x2−3x3 3. (2 1/2 points) The first 3 terms of the Maclaurin series of the function f(x)=x+1 are:
A. 1−2x+8x2
B. 1−2x−8x2
C. 1+2x−8x2
D. 1−2x−4x2
C. 52
D. 252 2. (2 1/2 points) The first 3 terms of the Maclaurin series of the function f(x)=sin(x)cos(x) are:
A. x−32x3+152x4
B. 1−32x2+152x4
C. x−32x3+152x5
D. 1−x−2x2−3x3
Solve the equation.
45−6x+3=x Select the correct choice below and fill in any answer boxes within your choice.
A. The solution set is □ \}.
(Type an integer or a fraction. Use a comma to separate answers as needed.)
B. The solution set is the empty set.
2. ( 21/2 points) The first 3 terms of the Maclaurin series of the function f(x)=sin(x)cos(x) are:
A. x−32x3+152x4
B. 1−32x2+152x4
C. x−32x3+152x5
D. 1−x−2x2−3x3
Points: 0 of 1
Save Determine where the function is (a) increasing; (b) decreasing; and (c) determine where relative extrema occur. Do not sketch the graph.
y=−3x3−2x2+12x−3
(a) For which interval(s) is the function increasing? Select the correct choice below and, if necessary, fill in the answer box within your choice.
A. The function is increasing on (−6,2).
(Type your answer in interval notation. Use a comma to separate answers as needed.)
B. The function is never increasing.
(b) For which interval(s) is the function decreasing? Select the correct choice below and, if necessary, fill in the answer box within your choice.
A. The function is decreasing on □ .
(Type your answer in interval notation. Use a comma to separate answers as needed.)
B. The function is never decreasing.