Answer:
d is right...............
Answer:

<h3>4th answer is correct</h3>
Step-by-step explanation:

If.. f of x equals four, than it should be four that you plug in.
If you use the equation for Rachel it would be
y=3x and for oliver it would be y=2x+5
Answer:
It would be a profit of $1,310
Step-by-step explanation: