The answer for f.f (x) = 25 / 4x² and g.g(x)= 4x² -28x +49.
What is a Function ?
A function is a mathematical statement used to relate a dependent and an independent variable.
It is given that
f(x) = 5/2x
g(x) = 2x - 7
It is asked to found
f.f
g.g
f.f (x) = (5/2x) * (5/2x)
= 25 / 4x²
g.g(x)= ( 2x - 7)( 2x - 7)
= 4x² -28x +49
Both the answers are in its simplified form
Therefore the answer for f.f (x) = 25 / 4x² and g.g(x)= 4x² -28x +49.
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