Find the exact value of the real number y.y = arccos 
A. 
B. 
C. 
D. - 
Answer: A
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Determine the indicated term in the given sequence.The 16th term of 3.46, 3.58, 3.7, . . .
A. 5.02 B. 5.38 C. 5.14 D. 5.26
Find at least three nonzero terms [including a0, at least two cosine terms (if they are not all zero) and at least two sine terms (if they are not all zero)] of the Fourier series for the given function.f(x) = 
A. f(x) = 
- 
- 
B. f(x) = 
- 
+
C. f(x) = 
+ 
-
D. f(x) = 
+ 
- 
The line graph shows the recorded hourly temperatures in degrees Fahrenheit at an airport. 
During which two hour period did the temperature increase the most?
A. 10 a.m. to 11 a.m. B. 10 a.m. to 12 p.m. C. 12 p.m. to 2 p.m. D. 9 a.m. to 11 a.m.
Solve the inequality graphically, numerically, or symbolically, and express the solution in interval notation. Where appropriate, round to the nearest tenth. ?b + 3? + 4 > 18
A. (-?, -17) ? (11, ?) B. (-?, -19) ? (17, ?) C. (-17), (11) D. (-?, -17) ? (19, ?)