Functions Math

If f(x) = 3x-1 and g(x) = x²+2,

what is (f ° g)(x) ?

• 3x² +5

• x² +1

• 3x² +1

• 3x² +6

Tags

CCSS.HSF-BF.A.1C

If f(x) = x-5 and g(x) = 3x²-1,

what is (f ° g)(x) ?

• 3x²-5

• 3x²-1

• 3x²-4

• 3x²-6

Tags

CCSS.HSF-BF.A.1C

f(x) = x²+9
g(x) = x-9
Find f(x)-g(x). 

• x²+x+9

• x²-x+9

• x²-x

• x²-x+18

Tags

CCSS.HSF-BF.A.1B

g(4x)

• 1728x³

• 12x³

• 192x³

• 36x³

Tags

CCSS.HSF-BF.A.1C

what is (f ° g)(-1) ?

• 1

• 4

• -1

• 6

Tags

CCSS.HSF-BF.A.1C

Is this a function?

• Yes

• No

• Let me ask my dog...

• Why are there letters in math?

Tags

CCSS.8.F.A.1

What is a rule that assigns exactly one output to ever input? 

• mapping diagram

• table 

• function

• function notation 

Tags

CCSS.8.F.A.1

Solve for r

• 3

• -3

• 3.3

• 10

Solve: x + 3x - 2x = 12

• 2

• 6

• -2

• -6

Tags

CCSS.8.EE.C.7B

Is this mapping a function or not a function? 

• Function

• Not a Function 

Tags

CCSS.8.F.A.1