Solving Functions

Evaluate f(-2) if f(x) = x²+ 3.

• -1

• 1

• 7

• -7

Tags

CCSS.HSF.IF.A.2

Solve for f(5):
f(5) = -x + 4

• 9 

• 1

• -1

• -9

Tags

CCSS.HSF.IF.A.2

Is this a function or not?

• Function

• Not a Function

Tags

CCSS.8.F.A.1

Which graph does NOT pass the vertical line test?

• Graph 1

• Graph 2

• Graph 3

• Graph 4

Which set of values is not a function?

• (9,5) (10,5) (4,-5) (8,-5)

• (3,4) (4,-3) (7,4) (3, 8)

• (6,-5) (7, -3) (8, -1) (9, 1)

• (2, -2) (5, 9) (-5, -7) (1, 4)

Tags

CCSS.8.F.A.1

If f(x) = 2x+1, what would the function look like once you substitute in a 1 to find f(1)?

• f(x) = 21+1

• f(1) = 2 (1) + 1

• f(1) = 2x (1) + 1

Tags

CCSS.HSF.IF.A.2

If f(x) = x²-x+3, what would the function look like once you substitute in a -3 to find f(-3)?

• f(-3) = -3²-3+3

• f(-3) = (-3)² -(-3)+3

• f(-3) = (-3)² -3+3

Tags

CCSS.HSF.IF.A.2

Which of these tables represent a function?

• A

• B

• C

• D

• all of the above

Tags

CCSS.8.F.A.1

Given the graph, find:

Tags

CCSS.HSF.IF.A.2

Does the table represent a function?

• Yes

• No

Tags

CCSS.8.F.A.1