Answer:
-3<x<3
Step-by-step explanation:
let y=0
0=x^2-9
0=(x+3)(x-3)
x=-3 and x=+3
Step-by-step explanation:
Below is an attachment containing the solution.
Answer:
ok dude I will study this
Step-by-step explanation:
then I will answer in a few minutes
Answer:
the third one
Step-by-step explanation:
x^2 is always non-negative, so -3x^2 will always be non-positive. You can eliminate any tables with positive values for y.
Answer: D.
The open circle means it could be equal to the starting number