F(a) = 3(a + 2)^2 - 10
g(b) = 2/5b + 4
g(f(-2) )=

f(x) has value 150 at x= 0

and 0 at x= 3

so d(f(x))/dt = slope = -150/3 = -50

for future students the answer is b

hope i

-lavira: )

might be the correct answer will be question number 2