A t-shirt is fired straight up from a cannon at ground level. The shirt’s height after t seconds is modeled by the equation: h(t)= -16t^{2}+ 48t.
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1.
What is the maximum height of the t-shirt?
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2.
After how many seconds does the t-shirt reach it's maximum height?
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3.
How many seconds after being launched with the t-shirt hit the ground?
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4.
Use the graph to fill in the blanks in the story below.
A volleyball player hits a ball over the net. She hits it from a starting height of _______ feet. The ball reaches a maximum height of _______ feet in _______ seconds. No one from the other team is able to hit the ball, so it hits the ground _______ seconds after being hit.