Unit 4/5/6 Warm Up

You have a job that pays $19 for each hour you work. You are required to work between 20 and 40 hours per week. The function y =19x for 20 ≤ x ≤ 40 shows the relationship between the hours you work and your weekly pay. What is the domain and range of this function?

• Domain: 20 ≤ x ≤ 40

  Range: 0 ≤ y ≤ 380

• Domain: 20 ≤ x ≤ 40

  Range: 380 ≤ y ≤ 760

• Domain: 0 ≤ y ≤ 380

  Range: 20 ≤ x ≤ 40

• Domain: 380 ≤ y ≤ 760

  Range: 20 ≤ x ≤ 40

Which statement about the graph of y=4(0.5)^x is true?

• The graph includes point (4,1)

• The equation of the asymptote is x=0

• The coordinates of the y-intercept are (0,4)

• The coordinates of the x-intercept are (0,0.5)

Which of the following best describes the correlation for the data?

• Strong Positive Correlation

• Weak Positive Correlation

• Strong Negative Correlation

• Weak Negative Correlation

• No Correlation

What is the range of the graph?

• -5 ≤ x ≤ 2

• -2 ≤ x ≤ 2

• -5 ≤ y ≤ 2

• -2 ≤ y ≤ 2

The graph of g(x)=x2 was transformed to create the graph of h(x)= -3x² . Which of these describes the transformation from the graph of g to the graph of h ?

• A reflection over the x-axis and a vertical stretch.

• A reflection over the x-axis and a vertical compression.

• A reflection over the y-axis and a vertical stretch.

• A reflection over the y-axis and a vertical compression.

What is the domain of this function?

• -4 ≤ x ≤ 4

• -4 ≤ x ≤ 3

• 0 ≤ x ≤ 3.5

• 0 ≤ x ≤ 4

• II and III

• I and III

• II and IV

• I and IV