For problems 14 and 15, a rancher has a 5000-gallon water tank that he uses to water his cattle. He uses 250 gallons per day for the cows. Write a linear function that is a model for the number of gallons of water, , in the tank days after filling it.

A.
B.
C.
D.
E. none of these


Answer: C

Mathematics

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Determine whether the given function satisfies a Laplace equation.f(x, y) = e10ysin 10x

A. Yes B. No

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Find the distance d(A, B) between the points A and B.A(0, 2); B(8, 2)

A. 2
B. 64
C. 2
D. 8

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Find the unknown length x for the given similar triangles. 

A. x = 18 B. x = 180 C. x = 0.8 D. x = 8

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Use properties of logarithms to expand the logarithmic expression as much as possible. Where possible, evaluate logarithmic expressions without using a calculator.log3(3x)

A. 1 B. 1 + log3x C. 3 D. x

Mathematics