A person standing close to the edge on the top of a 200-foot building throws a baseball vertically upward . The quadratic function $$s ( t ) = - 16 t ^ { 2 } + 64 t + 200$$ models the ball's height above the ground , s(t) , in feet, t seconds after it was thrown.
a. After how many seconds does the ball reach its maximum height? What is the maximum height?
b. How many seconds does it take until the ball finally hits the ground? Round to the nearest tenth of a second?
c. Find s(0) and describe what this means.
d. Use your res ults from parts (a) through (c) to graph the quadratic function . Begin the graph with t = 0 and end with the value oft for which the ball hits the ground.

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step-by-step explanation:

the above table 1 will calculate the population size (n) after a certain length of time (t). all you need to do is plug in the initial population number (no), the growth rate (r) and the length of time (t). the constant (e) is already entered into the equation. it stands for the base of the natural logarithms (approximately 2.71828). growth rate (r) and time (t) must be expressed in the same unit of time, such as years, days, hours or minutes. for humans, population growth rate is based on one year. if a population of people grew from 1000 to 1040 in one year, then the percent increase or annual growth rate is 40/1000 x 100 = 4 percent.

step-by-step explanation: