Solve the problem.The addition of sinusoidal functions is one way of describing the interaction of some physical entities, such as light beams, sounds, and radio signals. Write the first four terms of the series expansion for the sum 
A. 8x + 3x2 - 36x3 - 
x4 + ...
B. 8x - 3x2 + 36x3 + 
x4 + ...
C. 8x + 6x2 - 36x3 - 
x4 + ...
D. 8 + 3x - 36x2 - 
x3 + ...
Answer: D
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The cumulative number F of flu cases reported after t weeks is modeled by the function
.
For what cumulative number of flu cases is the disease spreading at the fastest rate? Round your answer to two decimal places, if necessary.
?
A. 
B. 
C. 
D. 
Solve.On a technical drawing, a cylinder has a diameter of 2.345 in. with a tolerance of 0.015 in. What is the percent tolerance? (Round to the nearest hundredth.)
Fill in the blank(s) with the appropriate word(s).
With respect to angle B, find the side adjacent and the hypotenuse.
a. a, c
b. c, b
c. b, c
d. b, a
e. c, a
Find a Cartesian equation for the parametric equations.x = 3t, y = t + 7
A. y = 
+ 7
B. y = 3x + 7
C. y = 
- 7
D. y = 
+ 7