Question

Gina pumps 40 cubic inches of air per second into a balloon. The function below shows the total amount of air f(t) inside the balloon after t seconds:
f(w) = 40t + 5
Which statement best describes the y-intercept of the graph of the function?

Answer 1

what do you think?

Answer 2

It is equal to 40 and represents the amount of air already present in the balloon before Gina starts blowing.
It is equal to 5 and represents the amount of air already present in the balloon before Gina starts blowing.
It is equal to 5 and represents the amount of air in the balloon after 1 second.
It is equal to 45 and represents the amount of air in the balloon after 1 second.

Answer 3

y-intercept is the number without the variable
which is?

Answer 4

5

Answer 5

ok so your answer is between B and C

Answer 6

between both of them, which one do you think it is?

Answer 7

b

Answer 8

\(\checkmark\)

Answer 9

awesome thanks : )

Answer 10

yw \(\ddot\smile\)