Obtain the graph of h by adding or subtracting the corresponding y-coordinates on the graphs of f and g in the same rectangular coordinate system.f(x) = 4 cos x, g(x) = sin 4x; h(x) = (f - g)(x)
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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A. 1 < x < 3 B. 1 < x ? 3 C. 1 ? x ? 3 D. 1 ? x < 3
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Solve the system by addition.5x + 4y = 35-3x + 2y = -21
A. {(6, 1)} B. {(7, 0)} C. {(7, 1)} D. ?
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Find the mean for the frequency distribution. Round to the nearest tenth.
A. 23.6 B. 29.3 C. 2.2 D. 24.5
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Use the product rule to multiply. Assume all variables represent positive real numbers.
? 
A. 
B. x2 - 49
C. 
D. 
Mathematics