Checking Answers
The ordered pairs (1, 5), (2, 25), (3, 125), (4, 625), and (5, 3125) represent a function. What is a rule that represents this function?
I got y=5^x

Suppose noodle soup is on sale for $0.75 a can and you have a coupon for $0.50 off your total purchase. Write a function rule for the cost of n cans of soup
I got C(n) = 0.75n – 0.5

Question

Checking Answers
The ordered pairs (1, 5), (2, 25), (3, 125), (4, 625), and (5, 3125) represent a function. What is a rule that represents this function?
I got y=5^x

Suppose noodle soup is on sale for $0.75 a can and you have a coupon for $0.50 off your total purchase. Write a function rule for the cost of n cans of soup
I got C(n) = 0.75n – 0.5

anonymous · Answer

You can check your answer pretty fast for the first one. Plug in 1 as x and you get 5 for y, good. Plug in 2 for x and you get 25 for y, good. etc. 

Your second one is also correct, good job :)