Find the requested sum of the arithmetic sequence.an = -4n + 9 Find S6.
A. 5
B. -30
C. -15
D. 30
Answer: B
Mathematics
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Verify the identity.tan
= -cot x
What will be an ideal response?
Mathematics
Evaluate.73 + (-63)
A. -136 B. 136 C. -10 D. 10
Mathematics
Simplify. Write your answers in the form of a+bi, where a and b are real numbers.(3 + 2i)(3 - 7i)
A. 23 - 15i B. -5 + 27i C. 23 + 15i D. -14i2 - 15i + 9
Mathematics
Give the equation of the oblique asymptote, if any, of the function.f(x) = 
A. x = y + 10 B. y = x + 4 C. no oblique asymptotes D. y = x + 10
Mathematics