The salinity of the ocean changes with latitude and with depth. Suppose the salinity to depths of 1000 meters at a certain latitude is approximated by the function f(x) = 19.4+ 13.2 In x. The input x is the depth in meters, and the output f(x) is in grams of salt per kilogram of seawater. Approximate analytically the depth where the salinity equals (a) 66.0 grams (b) 77.0 grams (c) 82.5 grams (a) For 66.0 grams of salt, the depth is approximately meters. (Type an integer or decimal rounded to the nearest hundredth as needed.)
The salinity of the ocean changes with latitude and with depth. Suppose the salinity to depths of 1000 meters at a certain latitude is approximated by the function f(x) = 19.4+ 13.2 In x. The input x is the depth in meters, and the output f(x) is in grams of salt per kilogram of seawater. Approximate analytically the depth where the salinity equals (a) 66.0 grams (b) 77.0 grams (c) 82.5 grams (a) For 66.0 grams of salt, the depth is approximately meters. (Type an integer or decimal rounded to the nearest hundredth as needed.)
Chapter3: Polynomial Functions
Section3.5: Mathematical Modeling And Variation
Problem 7ECP: The kinetic energy E of an object varies jointly with the object’s mass m and the square of the...
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Transcribed Image Text:The salinity of the ocean changes with latitude and with depth. Suppose the salinity to depths of 1000 meters at a certain latitude is approximated by the function
f(x) = 19.4+ 13.2 In x. The input x is the depth in meters, and the output f(x) is in grams of salt per kilogram of seawater. Approximate analytically the depth where the
salinity equals
(a) 66.0 grams
(b) 77.0 grams
(c) 82.5 grams
(a) For 66.0 grams of salt, the depth is approximately
meters.
(Type an integer or decimal rounded to the nearest hundredth as needed.).
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