List the proper fractions in the group.
, 
, 
, 
, 
A. 
, 
, 
, 
, 
B. 
C. 
, 
, 
, 
D. 
, 
, 
Answer: B
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Solve the problem.Is it possible to find a Maclaurin expansion for f(x) = x3/2? Explain.
A. Yes, the function has derivatives of all orders at 
B. No, the second-order and higher derivatives for this function are not defined at 
Solve the problem.Given the velocity and initial position of a body moving along a coordinate line at time t, find the body's position at time t.v = 
sin 
, s(?2) = 2
A. s = -2 cos 
+ 8
B. s = 2 cos 
+ 4
C. s = -2 cos 
+ 3
D. s = -2 cos 
+ 4
Solve the equation. Round to the nearest tenth, if necessary.If an object is dropped, the distance it falls is given by d = 
gt2, where g is about 32 ft/sec2. How long would it take an object to fall 64 feet?
A. 1 sec B. 4 sec C. 2 sec D. 0.5 sec
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%