Module 5 Course 3 Functions

Is the relation a function? 
{(4,5), (4,-7), (4,2), (4,0), (4,9)}

• Yes

• No

Tags

CCSS.8.F.A.1

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

• 0

• -3

• 3

• -1

Tags

CCSS.HSF.IF.A.2

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

Given f(x) = 3(6 -x), what is the value of f(-8)

• -42

• 6

• -6

• 42

Tags

CCSS.HSF.IF.A.2

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) = -3x - 8, find f(-1).

• f(-1) = 5

• f(-1) = -5

• f(-1) = -12

• f(-1) = -10

Tags

CCSS.HSF.IF.A.2

Is this table a function or not a function? 

• Function

• Not a Function

Tags

CCSS.8.F.A.1