Write the exponential equation as an equation involving a logarithm.4-2 = 
A. log4-2 = 
B. log1/164 = -2
C. log-2
= 4
D. log4
= -2
Answer: D
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Provide an appropriate response.If f(x) is a differentiable function and f' (c) = 0 at an interior point c of f's domain, and if 
for all x in the domain, must f have a local minimum at x = c? Explain.
What will be an ideal response?
Use a graphing calculator and the method of matrix inverses to solve the system. Give 5 decimal places.(log 2)x + (ln 3)y+ (ln 5)z = 4(ln 3)x + (log 8)y + (ln 10)z = 11(log 23)x + (ln 7)y + (ln 4)z = 15
A. ? B. {(0.30103, 9.0309, 1.38629)} C. {(4.12321, 3.91519, 1.27440)} D. {(9.25474, 1.35236, -0.16880)}
In a survey of 100 Enormous State University students, 23 enjoyed classical music, 22 enjoyed rock music, and 23 enjoyed house music. Only 7 of the students enjoyed both classical and rock. How many of those that enjoyed rock did not enjoy classical music? ? __________ students enjoyed rock but not classical music.
Fill in the blank(s) with the appropriate word(s).
Solve the problem.What is the intensity in watt/m2 of a noise measured at 75 decibels? 
where S0 is 10-12 watt/m2. (Express in scientific notation, and round to three significant digits.)
A. 7.5 × 10-10 watt/m2 B. 3.16 × 10-4 watt/m2 C. 1.81 × 1015 watt/m2 D. 3.16 × 10-5 watt/m2