Suppose that a ball is thrown from the top of a 32-foot building. The function h(t)=16t + 56t+32 models…

Question:

Transcribed Image Text:

Suppose that a ball is thrown from the top of a 32-foot building. The function h(t)=16t² + 56t+32 models the height in feet, h, of the ball f seconds after it is

thrown.

a) Find the zero(s) of the function. (You may use fractions or decimals. Use a comma to separate values, if necessary)

The zero(s) of the function:

Preview

b) If we assume that ground level means A = 0, when does the ball hit the ground?

The ball hits the ground after

Preview seconds

c) Find the time(s) the ball will be 81 feet above ground. (You may use fractions or decimals. Use a comma to separate values, if necessary)

The ball is 81 feet above ground after

Preview

d) The ball will be at its highest point after f= 1.75 seconds. Find the height of the ball at that time.

The height of the ball after 1.75 seconds is

seconds

Preview

feet

V

Expert Answer: