Quiz 2-1

Which relations represent a function? Check all that apply.

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Which graph does not represent a function?

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What is the Domain?

• -3 < x ≤ 3

• -4 ≤ x < 5

• -4 ≤ y ≤ 5

• -3 < y ≤ 3

What is the RANGE?

• {-3, 3]
• all real numbers
• [-4, 5]
• [-4, ∞)

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

• x = -5

• x = 5

• x = -50

• x = 30

Given 
f(x)= 2x² + 5x - 17, find f(-1). 

• f(-1) = -20
• f(-1) = -24

 $h\left(x\right)=-x^2+8x$  

g(x)=|-3x+16|

Find g(20)+h(7)

5y=35+10x

Write in standard form. Do not put spaces in your equation! Remember to simplify if possible!

What is the y-intercept for the given graph?

• -5
• 5
• 1
• -1

What is the x and y intercept for the following equation ?
4x - 10y = 20

• x - int = 4    
  y-int = -10
• x-int = 5
  y-int = 2
• x - int = 5
  y int = -2
• x -int = 4
  y -int = -10