Maths function

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.

Match the following:

Input - The value that goes ​ (a)   a function/equation/rule.

Output- The value that comes ​ (b)   after the input goes into the function/equation/rule.

• table
• into
• out
• slope

Math the graphs with what is a true description.

• Matches with a relation that does not form a straight line when graphed

• Not a function

• The x-values have more than one y-value

• Function

• Matches with a relation that forms a curve that increases at an increasing rate when graphed

• Nonlinear Function

• Matches with a relation that forms a straight line when graphed

• Exponential Function

• Matches with a relation where each input has exactly one output

• Linear Function

In the equation y = mx + b, what do the following terms represent?

• slope

• x

• y-intercept (initial value)

• y

• input

• m

• output

• b

Which of the following diagrams illustrates a function?

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• 
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The range of f: x $\rightarrow$  $x^3$  for the domain {-2, -1, 0, 1, 2,} is

• {0,1,8}

• {-2,-1,0,1,2}

• {-6,-3,0,3,6}

• {-8,-1,0,1,8}

Find the rate of change.

• 4 calories per minutes
• 60 calories per minutes
• 4 minutes per calorie
• 60 minutes per calorie

Which rate of change represents the graph shown?

• 80 mile per hour
• 2 hours per mile
• 40 miles per hour
• 60 miles per hour

An airplane takes off from an airport, flies at a steady height for a short period of time, then descends and lands back at the airport.

Which graph best represents this situation?

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• 
• 
• 

Jimmy was going on vacation. His parents drove the first day and went 390 miles in 6 hours. The next day they drove for 8 hours and went 520 miles. What was their constant rate of speed? 

• 65 miles∕1hr
• 60miles∕1hr
• 40miles∕1hr
• 50miles∕1hr