Question

Please help!


1.) Your friend has $100 when he goes to the fair. He spends $10 to enter the fair and $20 on food. Rides at the fair cost $2.00 per ride. Which function can be used to determine how much money he has left over after x rides?

A. f(x) = -2x + 70

B. f(x) = 2x + 70

C. f(x) = -2x - 70

D. f(x) = -30x + $100

2.)It takes a total of 6 hours to fill up an in ground backyard pool using a standard hose. A function can represent this situation to represent the amount of water in the pool until it is full as a function of the time the hose is running. Determine the domain for this

Answer 1

Do you happen to know what "f" represents?

Answer 2

i got the answer its a

Answer 3

Congrats!!

Answer 4

Good luck with range and domain!!

Answer 5

@PixieDust1 thank you