Question

Question 6

If f(x) = 2x + 1 and g(x) = 3x − 4, find f[g(3)].

11

17

5

7

Question 7

If f(x) = −3x − 3 and g(x) = 2x + 1, find (−2).

−3

3

−1

1

Question 8

If f(x) = 2x − 4 and g(x) = x − 2, find f[g(−4)].

12

−12

−8

8

Question 9

If r(x) = 3x − 1 and t(x) = −4x − 1, find (r + t)(7).

9

−9

−49

49

Question 10


If f(x) = 2x − 2 and g(x) = 3x − 1, find (f − g)(4).

17

−17

5

−5

Answer 1

I think it is easier if you learn the method of one question and apply it to all of the others.