Use Descartes' Rule of Signs and the Rational Zeros Theorem to find all the real zeros of the polynomial function. Use the zeros to factor f over the real numbers. f(x) = 2x4 - 5x3 + 9x2 - 15x + 9
A. -3, -1, 1, - 
; f(x) = (x - 1)(2x + 3)(x + 1)(x + 3)
B. 1, 
; f(x) = (x - 1)(2x - 3)(x2 + 3)
C. 3, 
; f(x) = (x - 3)(2x - 3)(x2 + 1)
D. -3, -1, 1, 
; f(x) = (x - 1)(2x - 3)(x + 1)(x + 3)
Answer: B
Mathematics
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Write the expression as a single logarithm. Leave your answer in simplest form without negative or fractional exponents.log4 m + log4(13m - 10)
A. log4(13m2 - 10m)
B. log4 
C. log4(m2 + 13m - 10)
D. log4 
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Graph the function and its inverse using the same set of axes. Use any method.f(x) = log x; f-1(x) = 10x
A. 
B. 
C. 
D. 
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Use the order of operations to evaluate the expression.-8[-1 - 4(4 + 2)]
A. 200 B. 236 C. 240 D. -16
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Match the graph to one of the listed functions. 
A. f(x) = -x2 - 6 B. f(x) = -x2 - 6x C. f(x) = x2 - 6x D. f(x) = x2 - 6
Mathematics