Question

If f(x) = x2 − 2x + 9 and g(x) = 8 − x, what is (f o g)(−4)?

Answer 1

fog(x)=f(g(x))

=f(8-x)
=(8-x)^2-2(8-x)+9
=(64+x2-16x)-16+2x+9
=x2-14x+57

now fog(-4)= put the value of x as -4...

Answer 2

Please ask in the math section.

Answer 3

Hi please post questions in the correct section :)