1 General Math

Which of the following sets of ordered pairs represent functions?

• {(0,-2), (1,4), (-3,3), (5,0)}

• {(-5,1), (2,1), (0,2), (0,1)}

• {(-4,0), (2,-3), (2,-5)}

• {(3,-4),(3,-2),(0,1),(2,-1)}

Please tell if the below mapping is function or not

• Function

• Not a Function

• Relation

• Cannot be determined

Tags

CCSS.8.F.A.1

What is the domain and range in the relation using mapping diagram

• Domain ={-2,2, 6,4,5}

  Range={4,16,36, 25}

• Domain ={4,5,6, 2}

  Range={4,16,25}

• Domain ={2,4,5,6}

  Range={4,16,25,36}

• Domain ={-2,2,4,5,6}

  Range={4,16,25,36}

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

Determine if it is a function or not function

  $g\left(n\right)=4n+4;\ Find\ g\left(-2\right)$  

  $h\left(x\right)=2a^2-5,\ find\ h\left(6\right).$  

 $g\left(n\right)=n^2-2n\ and\ f\left(n\right)=4n+5.$  Find (g-f)n

 $g\left(a\right)=a^2+3a\ and\ h\left(a\right)=3a-3.\ Find\ \left(g\times h\right)\left(a\right)$ 

 $g\left(x\right)=3x-5\ and\ f\left(x\right)=x^2-4.\ Find\ \left(g\circ f\right)\left(x\right)$ 

 $g\left(x\right)=-2x+1\ and\ h\left(x\right)=-x-5.\ Find\ \left(\frac{g}{h}\right)\left(x\right)$