Question

Gwendolyn shot a coin with a sling shot up into the air from the top of a building. The graph below represents the height of the coin after x seconds.

What does the y-intercept represent?

A.
the initial velocity of the coin when shot with the sling shot

B.
the rate at which the coin traveled through the air

C.
the number of seconds it took for the coin to reach the ground

D.
the initial height from which the coin was shot with the sling shot

Answer 1

D) The initial height from which the coin was shot with the sling shot

Explanation:

No time has passed before the slingshot has occured, so at t=0 seconds, the coin is at an initial height of y=15 feet, which is the y-intercept.

Answer 2

D

Explanation: