Object Height. Suppose an object is thrown straight up from the ground. The height after t seconds is given by the formu

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Object Height Suppose An Object Is Thrown Straight Up From The Ground The Height After T Seconds Is Given By The Formu 1 (48.17 KiB) Viewed 59 times

Object Height. Suppose an object is thrown straight up from the ground. The height after t seconds is given by the formula h(t) = -3t³+ 87t² + 217 (a) The time in seconds when the object reached the highest point was Note: Round to 4 digits after the decimal point, if rounding is required O 14.5 s OOS O 19.3333 s O None of the other answers 43.5 s O 217 s (b) The height is maximized at the critical point x = a because the second derivative test found Of"(a) > 0 O f'(a) = 0 O f'(a) was negative to the left of x = a and positive to the right O f"(a) = 0 O f"(a) < 0 O f'(a) was positive to the left of x = a and negative to the right