Describe Functions

If f(x) = -4x - 5 and
g(x) = 3 - x,
what is g(-4) + f(1)?

• 7

• -2

• -9

• -10

Tags

CCSS.HSF.IF.A.2

Which EXPLICIT function describes the sequence 500, 250, 125, ... ?

• f(1)= 500; f(n)=f(n-1)*1/2

• f(x)=1000(1/2)^x

• f(x)=1000(2)^x

• f(1)=500; f(n)=f(n-1)*2

Tags

CCSS.HSF.LE.A.2

Which functions describe the sequence -1, -7, -13, -19, . . .? PICK 2

• f(1)= -1; f(n)=f(n-1)-6

• f(1)= -1; f(n)=f(n-1)+6

• f(x)= 6x+5

• f(x)= -6x+5

Tags

CCSS.HSF.IF.A.3

If f(1)=100, f(x)=f(x-1)*(1/5), find the first 5 terms of this sequence.

• 100, 20, 4, 4/5, 4/25

• 100, 95, 90, 85, 80

• 100, 500, 2500, 12500, 62500

• 100, 105, 110, 115, 120

Tags

CCSS.HSF.IF.A.3

Which of the following represents the function

f(1)=9; f(n)=f(n-1)*(1/3)

• 1, 3, 5, 7, ...

• f(1)=3; f(x)=f(x-1)*2

• f(x)=27(1/3)^x

• 
• 

Tags

CCSS.HSF.IF.A.3

Which of the following represents the table

• 1, 3, 5, 7, ...

• f(1)=3; f(x)=f(x-1)*2

• f(x)=27(1/3)^x

• 
• 

Tags

CCSS.HSF.LE.A.2

Is this a function?

• Yes

• No

• Let me ask my dog...

• Why are there letters in math?

Tags

CCSS.8.F.A.1

Is this a function?

• Yes

• No

• Maybe

• It's a curvy line

Is this a function?

• Yes

• No

• Maybe

• I like circles

Is this a function?

• Yes

• No

• I'm Confused

• May I phone a friend?

Tags

CCSS.8.F.A.1