Topic : Composition of Functions - Worksheet 2 Using f(x) = 5x + 4 and g(x) = x - 3,find: 1. f(g(6)) 2. g(f(-7)) 3. f(f(8)) 4. g(f(x))

Step-by-step explanation:

Considering the functions

Part 1)

Find

We need to first dertermine

Putting x = 6

Then

Hence,

Part 2)

Find

We need to first dertermine

Putting x = -7

Then

Hence,

Part 3)

Find

We need to first dertermine

Putting x = 8

Then

Hence,

Part 4)

Find

Hence,

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the answer is  

c.

90.0π cm^2

hope you got it.