Exam 6: Exponential and Logarithmic Functions

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Find the domain of the composite function f ∘ g. -f(x)= Find the domain of the composite function f ∘ g. -f(x)=   ; g(x)=  ; g(x)= Find the domain of the composite function f ∘ g. -f(x)=   ; g(x)=

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Find the domain of the function. -Find the domain of the function. -

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Graph the function. -Graph the function. -

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Find the domain of the function. -Find the domain of the function. -

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Find the exact value of the logarithmic expression. -Find the exact value of the logarithmic expression. -

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Evaluate the expression using the graphs of y = f(x)and y = g(x). -Evaluate (fg)(1). Evaluate the expression using the graphs of y = f(x)and y = g(x). -Evaluate (fg)(1).

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Find the inverse of the function and state its domain and range . -{(-3, 4), (-1, 5), (0, 2), (2, 6), (5, 7)}

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Solve the equation. -Solve the equation. -

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Change the exponential expression to an equivalent expression involving a logarithm. -Change the exponential expression to an equivalent expression involving a logarithm. -

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Solve the problem. -Two bacteria are placed in a petri dish. The population will double every day. The formula for the number obacteria in the dish on day t is Solve the problem. -Two bacteria are placed in a petri dish. The population will double every day. The formula for the number obacteria in the dish on day t is   where t is the number of days after the two bacteria are placed in the dish. How many bacteria are in thedish six days after the two bacteria are placed in the dish? where t is the number of days after the two bacteria are placed in the dish. How many bacteria are in thedish six days after the two bacteria are placed in the dish?

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Change the logarithmic expression to an equivalent expression involving an exponent. -Change the logarithmic expression to an equivalent expression involving an exponent. -

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Solve the equation. -2 Solve the equation. -2

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Use the horizontal line test to determine whether the function is one -to-one. -Use the horizontal line test to determine whether the function is one -to-one. -

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Graph the function. -Graph the function. -

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Decide whether or not the functions are inverses of each other. -Decide whether or not the functions are inverses of each other. -  ,  , Decide whether or not the functions are inverses of each other. -  ,

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Decide whether or not the functions are inverses of each other. -Decide whether or not the functions are inverses of each other. -

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Decide whether or not the functions are inverses of each other. -f(x)= 8x - 8, g(x)= Decide whether or not the functions are inverses of each other. -f(x)= 8x - 8, g(x)=   x + 1 x + 1

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The graph of an exponential function is given. Match the graph to one of the following functions. -The graph of an exponential function is given. Match the graph to one of the following functions. -

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Find the exact value of the logarithmic expression. -Find the exact value of the logarithmic expression. -

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Find functions f and g so that f ∘ g = H. -H(x)= Find functions f and g so that f ∘ g = H. -H(x)=

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