The cheerleaders at a football game launch T-shirts into the crowd from the back of a golf cart that is 2 feet off the ground. The T-shirts have an upward velocity of 30 feet per second. Using the function y=−16t^2+30t+2
, which of the following correctly identifies the y-intercept and best explains its meaning?(1 point)
Responses
The y-intercept is at (0,2)
. The shirt will reach the ground after 2 seconds from being launched.
The y -intercept is at left parenthesis 0 comma 2 right parenthesis . The shirt will reach the ground after 2 seconds from being launched.
The y-intercept is at (2,0)
. The shirts are launched at an initial height of 2 feet.
The y -intercept is at left parenthesis 2 comma 0 right parenthesis . The shirts are launched at an initial height of 2 feet.
The y-intercept is at (0,2)
. The shirts are launched at an initial height of 2 feet.
The y -intercept is at left parenthesis 0 comma 2 right parenthesis . The shirts are launched at an initial height of 2 feet…
The correct response is:
The y-intercept is at (0,2). The shirts are launched at an initial height of 2 feet.
This means that when time (t) is 0 seconds, the height (y) of the shirts is 2 feet. The y-intercept represents the initial height of the shirts when they are launched.