Courtney is standing on a mountain above a lake, and she tosses a rock with a velocity of 48 ft/sec. Here is a table of values that represents the height of the rock, in feet

Time(seconds) Height(feet)
0 140
1 160
2 140
3 90
4 10

Fill in the blanks.
This is a blank function. Answer choices: a. Exponential B. Linear C. Quadratic
The maximum height of the rock is blank feet. Answer choices: a. 140 b. 90 c. 160 d. 1
The rock changes direction after blank seconds in the air. Answer choices a. 4 b. 1 c. 2 d. 3

This is a quadratic function.

The maximum height of the rock is 160 feet.
The rock changes direction after 2 seconds in the air.