Relations and Functions

List the ordered pairs

• (1,3), (2,6), (3,9), (4,12)

• (3,1), (6,2), (9,3), (12,4)

• Input and Output

• Output and Input

Tags

CCSS.HSA.CED.A.2

CCSS.HSA.REI.D.10

CCSS.HSF.LE.A.2

Given the relation A = {(5, 2), (7, 4), (9, 10), (x, 5)}. Which of the following values for x will make relation A a function?

• 7

• 9

• 4

Tags

CCSS.HSF.IF.A.1

CCSS.HSF.IF.A.2

The following relation is a function.

{(10, 12), (5, 3), (15, 10), (5, 6), (1, 0)}

• True

• False

Tags

CCSS.HSF.IF.A.1

The graph of a relation is shown at the right. Is this relation a function?

Hint: Use the vertical line test!

• Yes

• No

• Cannot be determined from a graph

Given f(x) = 3x + 7, find f(5).

• 15

• 22

• 42

Tags

CCSS.HSF.IF.A.1

CCSS.HSF.IF.A.2

What is f(6) for the function f(x)=3x-8

• -8

• 10

• -144

• answer not here

Tags

CCSS.HSF.IF.A.1

CCSS.HSF.IF.A.2

Let w(x) = 3x - 7.

If w(x) = 14, find x.

• 7

• 35

• 2.33333

• -49

If f(x) = -4x - 5 and
g(x) = 3 - x,
what is g(-4) + f(1)?

• 7
• -2
• -9
• -10

Tags

CCSS.HSF.IF.A.1

CCSS.HSF.IF.A.2

Let f(x) = 5x-2.

If f(x) = 13, find x.

• 5

• 2.2

• 63

• 3

Let  $g\left(x\right)=\frac{4}{5}x-6$  
If g(x) = 2, find x.

• 7.6

• 10

• -5