Domain and Range

What is the domain of the linear function?

• -4 < x < 1.5

• -4 ≤ x ≤ 1.5

• -5 < y < 6

• -5 ≤ y ≤ 6

The function y = 1.5 + 0.35x represents the price y for a taxi ride of x miles. Which of the following is not a reasonable domain value for this function?

• 2

• -4

• 6

• 24

What is the domain of the function y = 10 - 5x?

• x ≤ 2

• x ≥ 2

• all real numbers

• Not here

What is the range of the function?

• -4 ≤ y ≤ 5

• -4 < y < 5

• -2 ≤ x ≤ 1

• -2 < x < 1

What is the range of y = - 5?

Hint: Graph the equation on your calculator.

• y ≤ -5

• y = -5

• y ≥ -5

• All Real Numbers

Select the correct answer for the attributes below:

Vertex: ​ (a)  

Domain: ​ (b)  

Range: ​ (c)  

x - Intercepts: ​ (d)  

y - intercepts: ​ (e)  

• (-2,4)
• All Real Numbers
• y ≤ 4
• (-4,0) and (0,0)
• (0,0)
• (-2, 4) and (0,0)
• (-2,4) and (-4,0)
• (0,-4) and (0,0)

Select the correct answer for the attributes below:

Vertex: ​ (a)  

Domain: ​ (b)  

Range: ​ ​ (c)  

x - Intercepts: ​ (d)  

y - intercepts: ​ (e)  

• (-2, -6)
• All Real Numbers
• (-4.5,0) and (1.5,0)
• (0,-2)
• (0,-4.5) and (0,1.5)
• (-2,0)
• (-6,-2)

The domain of the exponential function is ​ (a)  

The range of the exponential function is ​ (b)  

The domain of the exponential function is ​ (a)  

The range of the exponential function is ​ (b)  

• All Real Numbers
• x>5