Functions Unit Test Review

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

• Yes
• No

Tags

CCSS.8.F.A.1

Is this table a function or not a function? 

• Function
• Not a Function

Tags

CCSS.8.F.A.1

Is the relation a function? Why.

• Yes, because the x-value 11 has two y-values pair with it.
• Yes, because each x-value has only one y-value paired with it.
• No, because the x-value 11 has two y-values pair with it.
• No, because each x-value has only one y-value paired with it.

Tags

CCSS.8.F.A.1

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

Which graph does NOT pass the vertical line test?

• Graph 1
• Graph 2
• Graph 3
• Graph 4

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

• 
• 
• 
• 

Which equation matches the table?

• y = x + 5
• y = 5x
• y = x - 5
• x = y - 5

Tags

CCSS.6.EE.C.9

If the blue is f(x)=x^2, then the red must be

• g(x)=x² - 5

• g(x)=x² + 5

• g(x)=(x - 5)²

• g(x)=(x + 5)²