Question

Jane threw a basketball up in the air. The following table represents the height f(t), in meters, of the ball above the ground at time t seconds:


Time (t)
(in seconds) Height f(t)
(in meters)
2 10
4 15
6 10
8 0


Which of the following is represented by the x-intercept of f(t)?
The ball reaches the maximum height in 4 seconds.
The ball reaches a maximum height of 15 meters.
The ball was thrown from a height of 10 meters.
The ball touches the ground after 8 seconds.

Answer 1

@phi

Answer 2

@mathmate

Answer 3

Can someone help

Answer 4

How about loser66?

Answer 5

of course lol

Answer 6

hahaha.... ok!! I think you are waiting for phi or mathmate!!
ok, let's start
The question is "x-intercept" , that is when the ball hits the ground, right?

Answer 7

Yes

Answer 8

When it hits the ground, its height =??

Answer 9

0

Answer 10

You got it!! look at the table, when the height =0?

Answer 11

the time is 8

Answer 12

now, link them, all our argument is on the option???

Answer 13

b?

Answer 14

d

Answer 15

b is when the ball gets the highest point, not hit the ground,