Functions Test

Which of the following is NOT a function?

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Which of the following table of values represent a function?

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Select the relations that represent a function. Select all that apply.

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If  $f\left(x\right)=2x^2+3x$  then,  $f\left(-9\right)=?$   

Type only the value. 

If $M\left(n\right)=-2n-5$ , find n when  $M\left(n\right)=-11$   

•  $M\left(8\right)=-11$  

•  $M\left(3\right)=-11$  

•  $M\left(-11\right)=8$  

•  $M\left(-11\right)=3$  

A small rocket is launched from the the top of a 100 ft building at a velocity of 40 ft per second. The height, h(t) of the rocket after t seconds is represented by the function, $h\left(t\right)=-16t^2+40t+100$ . What is a reasonable domain for this scenario.  

• Whole numbers

•  $0\le h\left(t\right)\le100$  

• All real numbers

•  $0\le t\le125$  

Find the range of the function $g\left(x\right)=19-3x$  for the given domain,  $\left\{-4,-1,2,5\right\}$  

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What is the domain of the graph?

• $-3\le x\le1$

• $0\le x\le-4$

• $-4\le x\le0$

• $-3<x\le1$

What is the range of the graph. Select all that apply.

• $0\le y\le\infty$

• All real numbers

• $y\ge0$

• $-\infty\le y\le\infty$

Hunter got his first job working at Publix making $12 per hour. Hunter's schedule allows him to work 10-15 hrs per week. The function P(h) = 12h represent the total amount of money Hunter makes working h hours. What is the independent and dependent variables in this function.

• Independent - Hours worked

  Dependent - Total money made

• Independent - Total money made

  Dependent - Hours worked

• Independent - $12 per hour

  Dependent - Total money made

• Independent - Hours worked

  Dependent - Total hours worked in a week