For the geometric sequence, find the common ratio, r.3, -1.2, 0.48, -0.192, . . .
A. -0.04
B. -0.4
C. -1.2
D. -4
Answer: B
Mathematics
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Determine whether the Fourier series of the given function will include only sine terms, only cosine terms, or both sine terms and cosine terms.f(x) = -x cos 2x -5 ? x < 5
A. both sine and cosine terms B. only cosine terms C. only sine terms
Mathematics
Solve the system of linear equations.3x - 3y = -65x + 4y = 71
A. (-3, -1) B. (7, 9) C. No solution D. (-7, 9)
Mathematics
Estimate the answer by using front end rounding.
A. 500 B. 400 C. 440 D. 442
Mathematics
Use the value of the trigonometric function to find 
.
?
?
A. 
B. 
C. 
D. 
E. 
Mathematics