Group 3 threw a ball just below the ceiling, from a starting height of 5 feet. The ball took exactly 2.35 seconds to hit the ground. The equation that modes projectile motion is y = - 16.1r? + bx+c where 'b' is the upward velocity and 'c' is the starting height.
feet per second
Using Desmos, what is the upward velocity of the throw rounded to the nearest tenths place?
feet
What is the estimated ceiling height using this method (maximum height of the ball) rounded to the nearest tenths place?
I’m

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Step-by-step explanation:

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correct choice is b

step-by-step explanation:

when you calculate the average rate of change of a function, you are finding the slope of the secant line between the two points. for the function the average rate of change from point to point can be calculated as

to find the average rate of change from day 2 to day 10, note that at day 2, 8 houses were sold, so a(2,8) and at day 10, 2 houses were sold, so b(10,2). thus,