Answer:
-14
Step-by-step explanation:
Answer: The required value of f(3) is 81.
Step-by-step explanation: We are given the following function :

We are to find the value of f(3).
Substituting x = 3 in equation (i), we get

Thus, the required value of f(3) is 81.
Answer:
11) 0.6
12) The maximum height of the ball was 2[ seconds] after it was thrown (I am assuming because the answers are cut off a bit.)
13) $2.50
14) (2,-15)
15) I don't know, since I can't see all the graphs and options. But I want to say the sideways parabola, or the only one shown in the image given
Answer:
The x-intercept is (-2,0)
Step-by-step explanation:
The answer is option B, if this helped mark me the brainiest!!