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Inverse and Composite Functions

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Question 1

The function f f\,f is defined such that

f(x)=x2−9 f(x) = x^2 - 9 f(x)=x2−9
a.

Find an expression for f(x+4)f(x + 4)f(x+4)

[2]
b.

Hence solve: f(x+4)=0f(x + 4) = 0f(x+4)=0

[2]

Inverse and Composite Functions Questions

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