Functions Test

What is the definition of function?

• Has inputs and outputs
• Every input has only ONE output
• Inputs have different outputs every time
• x-values and y-values

• Function
• Not a Function

Is this mapping a function or not a function? 

• Function
• Not a Function 

Is this table a function or not a function? 

• Function
• Not a Function

Is this graph a function or not a function? 

• Function 
• Not a Function

In the function f(x)= x³ if x=(-1) what would my y coordinate be?

• -1

• 3

• 1

Evaluate f(-2) if f(x) = x²+ 3

• -1

• 1

• 7

• -7

What is the correct slope-intercept form?

• y = mx + b

• y = mb + x

• y = x

• y = -mx + b

What is the equation by looking at this graph?

• y= x + 3

• y= -x + 2

• y= 2x + 2

• y= x + 2

What is the y-intercept in the equation y= -2x + 5

• -2
• 3
• 5
• Cannot be Determined