TEST #1 in PRECALCULUS CP

What is the domain of the graph?

• $\left(-\infty,+\infty\right)$

• $\left[-\infty,+\infty\right]$

• $\left(-\infty,0\right)U\left(0,+\infty\right)$

• $\left(-\infty,-5\right)U\left(-5,-6\right)U...\left(5,6\right)U\left(6,+\infty\right)$

What is the range of the graph?

• $\left(-\infty,+\infty\right)$

•  $\left[0,+\infty\right)$ 

•  $\left(0,+\infty\right)$ 

•  $\left(-\infty,1\right]U\left(2+\infty\right)$ 

Which of the following statements is FALSE based on the graph?

• -1 is part of the domain

• -1 is part of the range

• +1 is part of the domain

• +1 is part of the range

What is the domain and range of the graph?

• Domain: x<-5 or x>-5

  Range: y<0 or y>0

• Domain: x≤-5 or x≥-5

  Range: y≤0 or y≥0

• Domain: all real numbers

  Range: all real numbers

• Domain: y<0 or y>0

  Range: x<-5 or x>-5

Which statement is true regarding the relation below?

 $x^2-4y^2=16$  

•  It is symmetric only to the x-axis.

•  It is symmetric only to the y-axis.

•  It is symmetric only to the origin.

•  It is symmetric to the x-axis, y-axis, and origin.

Which of the following step will help identify whether a function is EVEN or not?

• Replace x with -x
  

• Replace y with -y
  

• Replace x with -x and y with -y
  

• none of the above
  

A function that is symmetric with respect to origin contains the point (-2021, 2022). Which of the following points is also on the graph?

• (2021, -2022)
  

• (-2021, -2022)
  

• (2021, 2022)
  

• none of the above
  

What type of symmetry is shown by the graph?

• y-axis symmetry
  

• x-axis symmetry
  

• origin symmetry
  

• all of the above
  

What type of function is shown by the graph?

• even function
  

• odd function
  

• neither odd nor even
  

• none of the above
  

What is the x-intercept of the function below?
 $f\left(x\right)=\left|6-2x\right|$  

• 3

• -3

• 1/3
  

• -1/3