What is the value of h(-7)? h(x) = [3x] - 1 a. 22 b. -20 c. -22 d. 20

substitute -7 in for x

f(-7) = (3*-7) -1

     = -21-1

      = -22

Choice C

For this case we have to find the value ofwhen , for this we must replace the value of in the given equation. We have:

Substituting

Considering what

Taking into account that by definition;

So,

Option D

c.

step-by-step explanation:

because first you have to add the 4x, 9x, and the 7x together and you get 20x and then you add the last numbers up and you get 5and then you put the subtraction sign in there and that's how you get the answer.