Slope is always behind the variable x.
Slope is 9.
Y-intercept is after the variable x.
Y-intercept is -7
Answer:

Step-by-step explanation:

Combine
and
to get
.

Combine
and
9x^3-8x^2
Hope this helps.
You have to do 21+8+11=40. So 40 is the answer. Hope this helps.
Answer:
Y=7.5
Step-by-step explanation:
The first question is D because if the
y-intercept is 1 then every point moves down three units.
The second question is J because a vertical line is not a function so it can’t be a linear function.