Aball is thrown in the air from the top of a building. its height, in meters above ground, as a function of time, in seconds, is given by

h(t) = −4.9t2 + 12t + 10.

how long does it take to reach maximum height? (round your answer to three decimal places.)

1.225m

Step-by-step explanation:

Maximum height is reached at time t when the derivative of equation is 0

- 9.8t + 12 = 0

-9.8t = -12

Divide through by - 9.8

t = 1.225m to 3 decimal places

options a,b,c are the right answer.

step-by-step explanation:

a linear parent function is always represented as y = x

if we write this function in the form of y=mx+c

⇒

or  

now if we plot a graph we will find these characteristics:

1) y intercept of the graph is zero so its a straight line passing through origin.

2) as we can see in both the forms of function written, values of x and y may be either positive or negative for the positive slope means points on the graph are either in first quadrant or in third one.

3) it's slope is one.

72 is the answer to this problem