It is easy, just add up the numbers and divide by how many set of numbers there is.
Lisa runs approximately 5 and 5 / 9 yards per second.
QUESTION 1
The first function is

A function of the form

has amplitude equal to

The amplitude of

is

QUESTION 2
The given function is

A trigonometric function of the form

also has an amplitude of

The amplitude of

is

QUESTION 3
The given trigonometric function is

The amplitude of this trigonometric function is

QUESTION 4.
The given trigonometric function is

The amplitude of this cosine function is
This one is A. Notice that every second the person moves 1.5 feet closer
Answer:
6) y = -x - 5
7) y =
x + 3
Step-by-step explanation:
format y = mx + b