Question

If f(x) = 5x2 − 4 and g(x) = x − 2, what is (f o g)(-3)?

Answer 1

\[f(x)=5x^{2}-4\]
\[g(x)=x-2\]
\[(fog)(x)=5(x-2)^{2}-4\]
\[5(x ^{2}-4x+4)-4\]

Answer 2

(fog)(x)=5x2-20x+20-4
(fog)(x)=5x2-20x+16
(fog)(-3)=5(-3)2-20(-3)+16
(fog)(-3)=45+60+16
(fog)(-3)=121

Answer 3

thank you

Answer 4

my pleasure