Question

If f(x) = -7x + 2 and g(x) = x+3,
what is (fºg)(-2)?
Enter the correct answer

Answer 1

-5

Explanation:

f(g(-2)

solve g(-2) first

g(-2)=-2+3= 1

now solve f(1)

-7(1)+2=-5

OR

put g(x) into f(x)

f(g(x)= -7(x+3)+2 then plug in the -2

f(g(-2)=-7(-2+3)+2

f(g(-2)= -7(1)+2= -5