Sol Review Functions and Inequalities

Is this set of ordered pairs a function or not a function? 

• Function

• Not a Function 

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

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

Is this a function?

• Yes

• No

• Maybe

• It's a curvy line

Is this a function?

• Yes

• No

• I bet Ms. Byrd is laughing at me? maybe it's a trick!

• Why is this so easy?

Tags

CCSS.8.F.A.1

Given f(x) = 2x-3, what is the value of f(3)?

• 7

• 4

• 5

• 1

Tags

CCSS.HSF.IF.A.2

Given f(x)= (2 + x )², what is the value of f(-3)?

• 1

• 25

• -1

• 5

Tags

CCSS.HSF.IF.A.2

Is this a function?

• Yes

• No

• Maybe

• I like circles

Which of these tables represent a function?

• A

• B

• C

• D

• all of the above

Tags

CCSS.8.F.A.1