Pre-Calc Chp 1

Is this graph a function or not a function? 

• Function 
• Not a Function

Which graph does NOT pass the vertical line test?

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

• 5x+2
• 5x+30
• 5x^2-35
• 5x^2-30x-35

• x^2-6x+9
• -x^2-6x+9
• -x^2+6x-9
• x^2+6x-9

• x^3+3x-5
• x^2+4x-5
• x^2+2x-3
• x^3+2x-5

• 3
• 5
• 1
• 6

• 3x^3+11x^2+8x+10
• 3x^3+8x^2+11x+10
• 3x^3+3x^2+16x+5
• 3x^3+11x^2+13x+5

• 4x^2-4x+1
• 4x^2-2x-1
• 4x^2-2x+1
• 4x^2-4x+2

A dog walker earns $10 plus $3 per dog. What equation represents this model? 

• y=3x + 10
• y=10x + 3
• y=13x
• y=10x - 3

What variable represents rate of change? 

• M 
• B
• X 
• y