Let f(x)=x2+3x−4 .

what is the average rate of change for the quadratic function from x=−3 to x = 8?

enter your answer in the box.

8

8

8

8

8

8

8

8

8

8

8

8

8

8

8

8

8

8

if you didn't understand, it is 8.

c. prove the lengths are the same.

step-by-step explanation:

you need to prove the segments are congruent. congruent segments have the same length. find the lengths of the segments using the distance formula, and compare them.

answer: c. prove the lengths are the same.

the answer is d

step-by-step explanation:

y+3=-4(x-2)

y+3=-4x+8

  -3         -3  

y=-4x+5