Exponential and Logarithmic Functions Graphs and Stuff True Or False

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1.	Identify the graph that matches this exponential function: f(x) = 2(0.1)^x. -> True False
2.	Which function represents exponential decay? -> f(x) = (0.9)^2x True False
3.	What is the domain and range of f(x) = 2^x + 1? -> Domain: (∞,2), Range: (1,∞) True False
4.	Find f(30) for f(t) = 50(1.012)^0.02t rounded to the nearest hundredth. -> 49.57 True False
5.	f(x) = ab^x. Which value affects concavity? -> b True False
6.	What line is y = e^x and y = lnx reflected across? -> y = x True False
7.	What is the domain of y = log x? -> (∞,0) True False
8.	What is the range of y = lnx? -> All real numbers True False
9.	If you graphed y = e^lnx, what type of graph would you get? -> Quadratic True False
10.	What is the function for a logarithm with base e? -> y = lnx True False

Exponential and Logarithmic Functions True or False

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