Use interval notation to describe the set of numbers.John is over 15 years of age.
A. [15, ?)
B. (15, ?)
C. (-?, 15]
D. [15, 55]
Answer: B
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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) = 
+ 
+ 
Solve.A rectangular window opening measures 36.5 inches by 49.75 inches. Calculate the area of the opening. Round to the nearest square inch.
Fill in the blank(s) with the appropriate word(s).
Subtract. Combine like terms, and write the answer in descending order.(-4c2 - 5c - 3) - (4c2 + 5c + 7)
A. -8c2 + 4 B. -8c2 + 10c + 10 C. 4 D. -8c2 - 10c - 10
For the given functions f and g , find the indicated composition.f(x) = 3x + 13,g(x) = 4x - 1(f?g)(x)
A. 12x + 12 B. 12x + 10 C. 12x + 16 D. 12x + 51