Solve the problem.A mechanic is testing the cooling system of a boat engine. He measures the engine's temperature over time. Use a graphing utility to fit a logistic function to the data. What is the carrying capacity of the cooling system?

A. y = , 307°F
B. y = , 312°F
C. y = , 315°F
D. y = , 315°F


Answer: C

Mathematics

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Evaluate the function.Find f(0) when f(x) = x2 + 5x - 4

A. -4 B. 0 C. 4 D. 16

Mathematics

Solve the problem.The frequency setting for a garage door opener is determined by the positions of ten switches, each of which can be set to a "+" or "-" position. In how many ways can the switches be set?

A. 1144 ways B. 1024 ways C. 100 ways D. 59,049 ways

Mathematics

Round to the place value indicated.23,812 to the nearest hundred

A. 23,810 B. 23,800 C. 23,900 D. 23,700

Mathematics

Solve the equation.ln (6) - ln x = ln (x - 5)

A. x = -1
B. x = 6, x = -1
C. x = 6
D. x = 

Mathematics