Solve the problem.Suppose f(x) = 34.1 + 1.3log (x + 1) models salinity of ocean water to depths of 
at a certain latitude. x is the depth in meters and f(x) is in grams of salt per kilogram of seawater. Approximate the depth (to the nearest tenth of a meter) where the salinity equals 36.
A. -0.9 m
B. -1.0 m
C. 29.9 m
D. 27.9 m
Answer: D
Mathematics
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Find the range of the given function.f(x) = 
x2 - 2x - 
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.Find the measure of an angle if its supplement measures 214° less than 5 times its complement.
A. 14° B. 7° C. 84° D. 168°
Mathematics
Solve.The formula P = 0.61x2 - 0.041x + 1 models the approximate population P, in thousands, for a species of fish in a local pond, x years after 1997. During what year will the population reach 50,041 fish?
A. 2005 B. 2008 C. 2007 D. 2006
Mathematics
Factor by grouping.7m(m - 2) + 6n(2 - m)
A. (m - 2)(7m + 6n) B. (2 - m)(7m - 6n) C. (m - 2)(7m - 6n) D. (m - 2)(6m - 7n)
Mathematics