Solve the problem.Suppose f(x) = 34.6 + 1.5 log (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 salinity (to the nearest hundredth) when the depth is 224 meters.

A. -31.07
B. 82.89
C. 38.13
D. 79.89


Answer: C

Mathematics

You might also like to view...

Add or subtract and write answer in lowest terms. + 

A.
B.
C.
D.

Mathematics

Solve using the quadratic formula.4x2 - 28x + 40 = 0

A. 2, -5 B. 2, 5 C. -2, 5 D. -2, -5

Mathematics

Solve the problem.What is the intensity in watt/m2 of a noise that's loudness is measured at 98 decibels?

A. 9.8 × 10-10 watt/m2 B. 6.31 × 10-3 watt/m2 C. 6.31 × 10-2 watt/m2 D. 1.8 × 1016 watt/m2

Mathematics

Use a double-angle identity to find the exact value of the expression.1 - 2 sin2 

A. - 
B.
C. - 
D.

Mathematics