sttretchp07i4t sttretchp07i4t

27-09-2018
Mathematics

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Evaluate (f o f) (x) when f(x)=4x-3 and g(x)= 5- x^2

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ReinaInoue ReinaInoue

29-09-2018

f(x)=4x-3

Step 1: Replace all ‘x’ values with f(x) in the equation.

f(f(x)) = 4(4x-3) -3

Step 2: Multiply the brackets and simplify.

16x-12-3

=16x-15

Step 3: Rewrite in the form of f(f(x)).

f(f(x)) = 16x-15

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