Use a calculator to find a decimal approximation for the indicated function value. Round your answer to four decimal places.cot (-578°)
A. -1.2800
B. -2.4751
C. -7.1155
D. -0.7813
Answer: A
Mathematics
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Factor completely. If the polynomial is prime, then state this as your answer.9x2 + 6xy - 8y2
A. (9x + 4y)(x - 2y) B. (3x + 4y)(3x - 2y) C. (3x - 4y)(3x + 2y) D. prime
Mathematics
Find an equation of a polynomial function of least degree having the given complex zeros, intercepts, and graph.f(x) has complex zero 8i
A. f(x) = 
(x2 + 8)
B. f(x) = 
(x2 + 64)
C. f(x) = 
(x2 + 64)
D. f(x) = 
(x2 - 64)
Mathematics
Solve the equation.
A. x = -2, x = 6 B. x = 6 C. x = 2, x = 6 D. x = 2 E. x = -2, x = -6
Mathematics
Express using positive exponents. Then simplify.
A. 
B. mx
C. x-m
D. xm
Mathematics