The question is attached below.

Step-by-step explanation: Replace the function designators with the actual functions in f (x) + g (x).

12x squared + 7x + 2 + 9x + 7

Then simplify

Add 7x and 9x

12 x squared +16x + 2 + 7

Add 2 and 7

12 x squared + 16x + 9

And you get your answer

15.5

step-by-step explanation:

5

∑

n = 1

substitute n = 1, 2, 3, 4, 5 and sum the terms

= + + + 2² + 2³

= 0.5 + 1 + 2 + 4 + 8

= 15.5

answer is d-29

step-by-step explanation:

since you didn't include the picture, i can give you the description so you know how to pick the correct answer. the third quartile of a data is always shown in a box plot. in the middle of your graph should be a box. the third quartile is the value that goes with the far right edge of the box.