Unit 21 Review

A part of exponential function f is graphed on the grid. Which inequality best represents the range of the part shown?

• x > 1

• y > 1

• x > -2

• y > -2

The graph of an exponential function is shown on the grid. Based on the graph, what is the domain and range of the function? Choose TWO correct answers.

• D. Range: all real numbers

• A. Domain: x < 0

• E. Range: x < 0

• C. Domain: all real numbers

• B. Domain: y < 0

The graph of an exponential function is shown on the grid. Based on the graph, which of the following statements about the function is Not True? Select the THREE that apply.

• D. The function has a vertical asymptote at x=-1.

• C. The y-intercept is (0,1).

• E. The graph represents exponential growth.

• B. The range is all real numbers greater than -1.

• A. The domain is all real numbers.

• A. The domain is all real numbers greater than or equal to 2.

• B. The range is all real numbers less than 0.

• C. The domain is all real numbers less than or equal to 0.

• D. The range is all real numbers.

Which graph best represents the exponential function with a y-intercept of 1 and an increase rate of 50%?

• 
• 
• 
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Identify the type of function represented by each graph.

• Exponential Growth

• Exponential Decay

• Linear

• Quadratic

• The graph has a vertical asymptote.

• The graph increases from left to right.

• The population of beetles Increases by 20% per month.

• The population of beetles decreases by 25 beetles per month.

• The population of beetles decreases by 0.80 beetles per month.

• The population of beetles decreases by 20% per month.

• exponential growth

• exponential decay

• exponential growth

• exponential decay