Answer:2.6
Step-by-step explanation:
Answer:
2nd option
Step-by-step explanation:
to find f(h(x)) substitute x = h(x) into f(x) , that is
f(h(x))
= f(2x + 3)
= 2x + 3 - 7
= 2x - 4
Answer:
y=2^x
Step-by-step explanation:
Answer:
k = -2
Step-by-step explanation:
If 
Then

So

From this follows k = -2
Answer:
F= 40
Step-by-step explanation:
F=ka
25 = k 5
k = 5
F=5a
F=5*8
F= 40