The time it took the rider to reach the ground level is 171.651seconds
Quadratic functions are functions that has a leading degree of 2.
Given the equation that represents  roller coasterâs height as shown
h = â0.025t^2 + 4t + 50
The coaster will reach the ground when h = 0
Substitute
0 = â0.025t^2 + 4t + 50
Factorize
On factorizing, the time it took the rider to reach the ground level is 171.651seconds
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