Question

Let f(x) = x – 2 and g(x) = x2 – 7x – 9. Find f(g(–1)).

Answer 1

ok, first evaluate g(-1)

Answer 2

by using x=-1 in the expression for g(x)

Answer 3

what do you get?

Answer 4

still need help?

Answer 5

@dpaInc yes please!

Answer 6

\(\large f(x) = x-2 \), \(\large g(x)=x^2-7x-9 \)

you want \(\large f(g(-1)) \)..
now, \(\large g(-1)=(-1)^2-7(-1)-9=1+7-9=-1 \)
so, \(\large f(g(-1))=f(-1)=-1-2=-3 \)

Answer 7

it's ok if you have questions... ask 'em...:)