Question

@imer

Answer 1

William raced up a flight of stairs at the rate of 3 stairs per second. The function below shows the total number of stairs f(t) that he is able to climb in t seconds:

f(t) = 3t + 4

Which statement best describes the y-intercept of the graph of the function?

It is equal to 7 and represents the number of stairs William can climb in 1 second.

It is equal to 3 and represents the number of stairs William can climb in 1 second.

It is equal to 4 and represents the number of stairs William had already climbed before he started racing up.

It is equal to 3 and represents the number of stairs William had already climbed before he started racing up.

Answer 2

@satellite73 @ganeshie8

Answer 3

@triciaal