Relations, Mappings, Functions and Graphs

If a, b and c are constants, the equation of the graph could be:

•  $y=\ ax^2+\ c$  

•  $y\ =\ c-ax^2$  

•  $y\ =\ ax^2+bx\ +c$  

•  $y\ =\ c\ +bx\ -ax^2$  

$If\ f\left(x\right)\ =\ x^{2\ }-x\ -\ 1,\ then\ f\left(-5\right)=$

• -31

• 24

• 29

• 31

Which of the following best describes the the function shown?

• $f\left(x\right)\ =\ x+3$

• $f\left(x\right)\ =\ y\ +\ 3$

• $y\ =\ x$

• $x\ =\ y\ +3$

State the type of mapping represented by the arrow diagram shown.

• one to one

• many to one

• many to many

• one to many

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

The equation of a function is

 $f\left(x\right)\ =\ x^2+2x\ -5$ . What are the coordinates of the y- intercept?

• (0, 2)

• (2, 0)

• (0, -5)

• (-5, 0)

Which of the following best describes the rule of the mapping shown?

• x is greater than y

• x is a multiple of y

• x is a factor of y

• x is divisible by y

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}

Which of the graphs does NOT represent a function?

• Graph 1

• Graph 2

• Graph 3

• Graph 4

Which of the following sets is represented by the relation

 $f\left(x\right)=x^2+3$  

• {(0,3), (1, 4), (2, 7), (3, 12)}

• {(0, 3), (1, 5), (2, 7), (3, 9)}

• {(0, 3), (1, 4), (2, 5), (3, 6)}

• {(0, 3), (1, 1), (2, 4), (3, 9)}

A function h is defined as

 $h\left(x\right)\ =\ 5x\ +3$ .  If  $h\left(x\right)=13$ , then x =

• 2

• 3

• 20

• 68