Solved on Dec 10, 2023

Find f(g(h(11/2)))f(g(h(11/2))) given f(x)=x4f(x)=\sqrt{x-4}, g(x)=12x+1g(x)=\frac{1}{2}x+1, and h(x)=2x3h(x)=2x-3.

STEP 1

Assumptions
1. We are given three functions: f(x)=x4 f(x) = \sqrt{x-4} , g(x)=12x+1 g(x) = \frac{1}{2} x + 1 , and h(x)=2x3 h(x) = 2x - 3 .
2. We need to find the value of the composite function f(g(h(112))) f(g(h(\frac{11}{2}))) .
3. We will evaluate the innermost function first and proceed to the outer functions.

STEP 2

First, we need to evaluate h(x) h(x) at x=112 x = \frac{11}{2} .
h(112)=21123 h\left(\frac{11}{2}\right) = 2 \cdot \frac{11}{2} - 3

STEP 3

Simplify the expression by multiplying 2 with 112 \frac{11}{2} .
h(112)=113 h\left(\frac{11}{2}\right) = 11 - 3

STEP 4

Subtract 3 from 11 to find the value of h(112) h\left(\frac{11}{2}\right) .
h(112)=8 h\left(\frac{11}{2}\right) = 8

STEP 5

Next, we need to evaluate g(x) g(x) at x=h(112) x = h\left(\frac{11}{2}\right) , which we found to be 8.
g(8)=128+1 g(8) = \frac{1}{2} \cdot 8 + 1

STEP 6

Multiply 12 \frac{1}{2} by 8.
g(8)=4+1 g(8) = 4 + 1

STEP 7

Add 1 to 4 to find the value of g(8) g(8) .
g(8)=5 g(8) = 5

STEP 8

Now, we need to evaluate f(x) f(x) at x=g(8) x = g(8) , which we found to be 5.
f(5)=54 f(5) = \sqrt{5 - 4}

STEP 9

Subtract 4 from 5.
f(5)=1 f(5) = \sqrt{1}

STEP 10

Calculate the square root of 1.
f(5)=1 f(5) = 1

STEP 11

The value of the composite function f(g(h(112))) f(g(h(\frac{11}{2}))) is 1.
The answer is 1.

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