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The height of a ball t seconds after it is thrown upward from a height of 6 feet and with an initial velocity of 80 feet per second is f(t) = −16t2 + 80t + 6. (a) Verify that f(2) = f(3). f(2) = ft f(3) = ft (b) According to Rolle's Theorem, what must be the velocity at some time in the interval (2, 3) ? ft/sec Find that time. t = s

The height of a ball t seconds after it is thrown upward from a height of 6 feet and with an initial velocity of 80 feet per second is f(t) = −16t2 + 80t + 6. (a) Verify that f(2) = f(3). f(2) = ft f(3) = ft (b) According to Rolle's Theorem, what must be the velocity at some time in the interval (2, 3) ? ft/sec Find that time. t = s

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The height of a ball t seconds after it is thrown upward from a height of 6 feet and with an initial velocity of 80 feet per second is f ( t ) = − 16 t 2 + 80 t + 6 . (a) Verify that f ( 2 ) = f ( 3 ) .
f ( 2 ) = ◻ f t f ( 3 ) = ◻ f t
(b) According to Rolle's Theorem, what must be the velocity at some time in the interval ( 2 , 3 ) ? ◻ f t / s e c
Find that time.
t = ◻ s

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