Write the expression in terms of sine and cosine, and simplify so that no quotients appear in the final expression.
A. -cos x
B. -sin x
C. sin x
D. cos x
Answer: A
Mathematics
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Is the interval bounded or unbounded? -6 < x< -1
A. bounded B. unbounded
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Find the indicated function value.f(x) = 9 - 9x, g(x) = -5x + 9Find (f + g)(x).
A. 4x B. -4x + 18 C. -14x + 18 D. -5x + 9
Mathematics
Determine the given complex number raised to a power and write the answer in rectangular form.(1 - i)10
A. -32i B. -32 + 32i C. 32 - 32i D. 32
Mathematics
Graph the parabola.x = -5(y + 4)2 - 4 
A. 
B. 
C. 
D. 
Mathematics