Math

QuestionIdentify the linear function from these equations: f(x)=3x+24f(x)=\frac{3 x+2}{4}, f(x)=x+2f(x)=\sqrt{x+2}, f(x)=2x2x3f(x)=2 x^{2 x-3}, f(x)=3x3x2f(x)=\frac{3 x-3}{x^{2}}.

Studdy Solution

STEP 1

Assumptions1. A linear function is a function of the form f(x)=mx+cf(x) = mx + c, where mm and cc are constants. . mm is the slope of the line and cc is the y-intercept.
3. A linear function graph is a straight line.

STEP 2

We need to identify which of the given functions is of the form f(x)=mx+cf(x) = mx + c.

STEP 3

Let's start with the first function f(x)=3x+2f(x)=\frac{3x+2}{}.

STEP 4

We can rewrite this function as f(x)=34x+24f(x) = \frac{3}{4}x + \frac{2}{4}.

STEP 5

This function is of the form f(x)=mx+cf(x) = mx + c, where m=34m = \frac{3}{4} and c=24c = \frac{2}{4}. So, this is a linear function.

STEP 6

Now, let's move to the second function f(x)=x+2f(x)=\sqrt{x+2}.

STEP 7

This function is not of the form f(x)=mx+cf(x) = mx + c. It involves a square root operation, so it is not a linear function.

STEP 8

Let's consider the third function f(x)=2x2x3f(x)=2x^{2x-3}.

STEP 9

This function is not of the form f(x)=mx+cf(x) = mx + c. It involves an exponent that is a function of xx, so it is not a linear function.

STEP 10

Finally, let's consider the fourth function f(x)=3x3x2f(x)=\frac{3x-3}{x^{2}}.

STEP 11

This function is not of the form f(x)=mx+cf(x) = mx + c. The xx term is in the denominator and squared, so it is not a linear function.

STEP 12

After analyzing all the functions, we can conclude that the first function f(x)=x+24f(x)=\frac{x+2}{4} is the linear function.
The linear function is f(x)=x+24f(x)=\frac{x+2}{4}.

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