Use a calculator with a 
key to solve the problem.The function f(x) = 90e-0.2x + 10 models the percentage of information, f(x), that a particular person remembers x weeks after learning the information. a) Substitute 0 for x and, without using a calculator, find the percentage of information remembered at the moment it is first learned. b) Find the percentage of information that is remembered after 4 weeks. Round to the nearest thousandth of a percent.
A. a) 10%; b) 10.449%
B. a) 50%; b) 210.299%
C. a) 90%; b) 40.440%
D. a) 100%; b) 50.440%
Answer: D
Mathematics
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A woman walks her dog around the neighborhood each morning. Beginning at her home, point H, is it possible for her to walk along each block of the neighborhood just once and end up back home?
A. No B. Yes
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Write the integer that corresponds to the situation.39° above zero
A. 39 B. -39
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Use a calculator to find the approximate value of the expression. Round the answer to two decimal places.cot 0.1369
A. 1.01 B. 0.99 C. 7.26 D. 0.14
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