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

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19 Details Object Height Suppose An Object Is Thrown Straight Up From The Ground The Height After T Seconds Is Given 1 (29.59 KiB) Viewed 43 times

19. DETAILS Object Height. Suppose an object is thrown straight up from the ground. The height after t seconds is given by the formula h(t)=-St+ 86t² + 188 Hi (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 188 s O 11.4667 s Oos None of the other answers 08.6s O 25.8 s (b) The height is maximized at the critical point x = a because the second derivative test found Of(a) = 0 Or(a) was positive to the left of x = a and negative to the right Of(a) > 0 (f" (a) = 0 Or(a) was negative to the left of x = a and positive to the right Of" (a) <0 Type here to search O E