Introduction to Functions

Tyler is filling a bathtub with water. Function B gives the depth of the water, in inches, t minutes after he begins filling the tub. Explain the meaning of B(9) = 11.

• The temperature of the water is 11 after 9 minutes.

• The tub has 9 inches of water after 11 minutes.

• The tub has 11 inches of water after 9 minutes.

Determine f(-1).

• -10

• -7

• -4

• -1

• 2

Solve f(x) = -1

• -2

• -1

• 0

• 1

• 2

Determine f(4).

• 0.5

• 16

Explain the meaning of f(4) = 16.

• The height is 16 feet at 4 seconds.

• The height is 4 feet at 16 seconds.

Which of these tables represents a function?

• W

• Y

• Z

• X

All of the x values or inputs are called what?

• Domain

• Range

• Relation

• Function

All of the y values or outputs are called what?

• Domain

• Range

• Relation

• Function

If my function rule is y=x + 3, what is the OUTPUT if the input is 4?

• 4

• 3

• 7

• 10

• Function
• Not a Function