4/10 + 1/2 please help-
2 answers:
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You need to find the roots of the function, h(t)
then h(t) = 0 = -16t^2 + 64t + 4
divide both sides by -4
4t^2 - 16 t - 1 = 0
use the quadratic function
substitue a = 4, b = -16, c = -1
you will get t1 ≈ 0 and t2 ≈ 4
Answer: approx. 4 seconds.
then h(t) = 0 = -16t^2 + 64t + 4
divide both sides by -4
4t^2 - 16 t - 1 = 0
use the quadratic function
substitue a = 4, b = -16, c = -1
you will get t1 ≈ 0 and t2 ≈ 4
Answer: approx. 4 seconds.