10/21 Exponential Functions

What is the equation that best represents the graph?

• y=2^y
• y=2^x
• y=2^-x
• y=x²

In an exponential function, what does the 'a' represent?

• SLOPE

• RATE OF CHANGE

• STARTING VALUE / Y- INTERCEPT

• GROWTH FACTOR

What values of b make an exponential growth function?

• b > 0
• b <1
• b > 1
• 0 < b < 1

What values of b make an exponential decay function?

• b > 0
• b < 1
• b > 1
• 0 < b < 1

Which graph shows exponential growth?

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Which graph shows exponential decay?

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The graph of an exponential function is shown. Which of the following is NOT a true statement?

• The domain is the set of all real numbers

• The range is the set of all real numbers greater than 0

• The equation of the asymptote is at $x=0$

• The graph is decreasing from left to right

The graph of an exponential function is shown. Which dashed line represents the asymptote of the function?

• Line A

• Line B

• Line C

• Line D

Name the domain and range of the function graphed below

• D: (-∞, ∞) R: (-∞, -4)

• D: (-∞, ∞) R: ( -4, ∞)

• D: (-∞, -4) R: (-∞, ∞)

• D: (-4, ∞) R: (-∞, ∞)

Name the end behavior of the graph in #10

• As x → - ∞, f(x) → ∞

  As x → ∞, f(x) → -4

• As x → - ∞, f(x) → -4

  As x → ∞, f(x) → ∞

• As x → ∞, f(x) → -4

  As x → ∞, f(x) → ∞

• As x → ∞, f(x) → ∞

  As x → ∞, f(x) → -∞