Answer:
y=2x+8
Step-by-step explanation:
All of the choices are in slope-intercept, or y=mx+b form where m is the slope and b is the y intercept. Therefore if the slope is 2, and the y intercept is 8 the equation should be y=2x+8.
Answer:
(3,5),(3,1),(5,7)
Step-by-step explanation:
Answer:

Step-by-step explanation:
x^2 + 1 = 4
x^2 = 3

The first one is 20. The second one is 64 points