Identify Create and Evaluate Functions

Does this mapping diagram represent a function?

• Yes

• No

Tags

CCSS.8.F.A.1

Evaluate f(-2) if f(x) = x²+ 3.

• -1

• 1

• 7

• -7

Tags

CCSS.HSF.IF.A.2

What does x equal in the function: f(-11) = 5x + 1

• -54

• 5

• 1

• -11

Tags

CCSS.HSF.IF.A.2

If f(x) = 1/2x + 5, what does f(10) =

• 8

• 9

• 10

• 11

Tags

CCSS.HSF.IF.A.2

If f(3) = 12, which of the following could be a solution for the equation f(x):

• f(x) = 2x + 12

• f(x) = 3x

• f(x) = 3x + 3

• f(x) = x + 10

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

The function h(t) represents the amount made at Best Buy after t hours. What does the notation h(4) = 500,000 mean?

• After 500,000 hours Best Buy made $4

• Best Buy makes money at a rate of 500,000/4 hours per dollar

• After 4 hours Best Buy has made $500,000

• Best Buy makes money at a rate of $500,000 hours per week

Tags

CCSS.HSF.IF.A.2

If f(x) = 2x+1, then f(___)=13

• 27

• 15

• 9

• 6

Tags

CCSS.HSF.IF.A.2

For the function f(x) = -3x + 3 find f(0).

• 0

• 3

• -3

• -1

Tags

CCSS.HSF.IF.A.2

What is the value of y in the function  
y = 1/2 x + 10  when x = 24?

• 22

• 58

• 12

• 29

Tags

CCSS.HSF.IF.A.2

What is f(−4) for the function f?

f(x) = 2x + 3

• -5

• -4

• -2

• -7

Tags

CCSS.HSF.IF.A.2