Unit 7 Math Test Review Page 6

15. A model rocket is launched from the 5 feet off the ground with an initial velocity of 120 feet per second. The

function �� ( �� ) = −16��

+ 120�� + 5 represents the height of the rocket, g(t), t seconds after it was launched

a. Calculator window:

d. Domain (in context):

b. Max:

Range (in context):

Explain the max in context.

e. When is the rocket 100 ft in the air?

c. Zeros:

For what values in the function increasing?

Explain the zeros in context.

Answer in context in interval notation.

g. For what values is the function decreasing?

Answer in context in interval notation.

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