Quadratic Functions Review Worksheets With Answer Key Page 7
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14Name: ________________________
ID: A
5. On a forward somersault dive, Nina’s height, h, in metres, above the water is approximately modelled by the
function h = −5t
+ 7t + 4 , where t is the time, in seconds, after she leaves the diving board. Graph the
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function and use the graph to complete the following.
a) Find Nina’s maximum height above the water.
b) How long does it take her to reach the maximum height?
c) How long is it before she enters the water?
d) How high is the board above the water?
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