Answer:. C is not a function.
Step-by-step explanation: If there is more than one y-value for each x-value, it can't be a function. The elipse has two y-values for each x.
Answer:
Step-by-step explanation:
5x-3 i think
Answer:
$20
Step-by-step explanation:
5 copies cost $1.
25 copies cost $5.
So you have to do 100/5=$20 for 100 copies.
Answer:25
Step-by-step explanation:
Move the variable to one side by subtracting 0.45x from 0.65x and you get 0.20 the divide 5 by 0.20
Answer:
x = 2.6
Step-by-step explanation:
2x + 5.2 = 0
2x = -5.2
x = -5.2 / 2
x = -2.6