What is the definition of function?

• A relation that has inputs and outputs.

• A relation where every input has only one output.

• A relation where the inputs have different outputs every time.

• A relation where every input has it's own output.

Tags

CCSS.8.F.A.1

Which set of values is a function?

• (9,5) (10,5) (9,-5) (10,-5)

• (3,4) (4,-3) (7,4) (3, 8)

• (6,-5) (7, -3) (8, -1) (6, -5)

• (2, -2) (5, 9) (5, -7) (1, 4)

Tags

CCSS.8.F.A.1

Is this graph a function or not a function? 

• Function 
• Not a Function 

f(x)=4x+5
f(4)=

• 21
• -11
• -31
• 25

Tags

CCSS.HSF.IF.A.2

Given that f(x) = x² - 8 and g(x)=4x-5, find f(-2)g(3).

• -84

• 5

• 3

• -28

Tags

CCSS.HSF.IF.A.2

Given f(x) = -4x - 10 and f(x) = 10. Find x

• x = -5

• x = 5

• x = -50

• x = 30

Tags

CCSS.HSF.IF.A.2

Given that f(x) = 6x - 1, find 5f(2) - 4.

• 35

• 55

• 51

• 59

Tags

CCSS.HSF.IF.A.2

f(x) - g(x)

• 5x² + 3x

• -3x² - 13x

• 3x² + 3x

• -3x² + 3x

• -2

• 14

• 12

• 56

Tags

CCSS.HSF-BF.A.1C

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1