above the ground. The height, h(t), in metres, of the disk after launch is modelled by the function h(t) = -5t² + 30t + 12, where t is time in seconds. a) When will the disk reach the ground? b) What is the maximum height the disk reaches?
above the ground. The height, h(t), in metres, of the disk after launch is modelled by the function h(t) = -5t² + 30t + 12, where t is time in seconds. a) When will the disk reach the ground? b) What is the maximum height the disk reaches?
Chapter9: Quadratic Equations And Functions
Section9.6: Graph Quadratic Functions Using Properties
Problem 9.104TI: A path of a toy rocket thrown upward from the ground at a rate of 208 ft/sec is modeled by the...
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Transcribed Image Text:8. Target-shooting disks are launched into the air from a machine 12 m
above the ground. The height, h(t), in metres, of the disk after launch
is modelled by the function h(t) = -5t² + 30t + 12, where t is
time in seconds.
a) When will the disk reach the ground?
b) What is the maximum height the disk reaches?
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