A model rocket takes off from an elevated launch pad 9 feet above the ground. The rocket’s elevation follows the function h = −2t² + 12t + 9, where h represents the height after t seconds. Which of the following ordered pairs (t, h) could be the rocket’s height at a given time?

Indicate all possible values.

a. (1, 19)

b. (2.5, 24.5)

c. (3, 28)

d. (4, 25)

e. (5.5, 14.5)

f. (6, 9)

g. (7, 1)