help with functions?

the function is:
y=4x^2-128x+1123

1. Graph your function. Include your graph below.

2.
Using complete sentences, explain how to find the average rate of change for f(x) from x = 4 to x = 7.

Question

help with functions?

the function is: 
 y=4x^2-128x+1123

1. Graph your function. Include your graph below.

2. 
Using complete sentences, explain how to find the average rate of change for f(x) from x = 4 to x = 7.

jenniferjuice · Answer

@amistre64 @ninjasandtigers @robtobey

amistre64 · Answer

#2, find the slope of the line between the asked for points

amistre64 · Answer

#1 is vague and will have to be based on how your material wants you to do it.

amistre64 · Answer

#2 might have to be stepped out in sentence

step1, find f(4)
step2, find f(7)
step 3 use the slope formula to find the slope between; (4,f(4)) and (7,f(7))

something along those lines

jenniferjuice · Answer

for number one i think i graph it but idk how to

anonymous · Answer

A plot is attached.

jenniferjuice · Answer

i plot -2 and 25 ?

anonymous · Answer

A plot from x = 4 through x = 7 is attached.