Simplify.
A. 12
B. 2
C. 6
D. 8
Answer: C
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Write a symbolic representation for the linear function f that computes the following.The number of ounces in x pounds
A. f(x) = 16x
B. f(x) = 4x
C. f(x) = 
x
D. f(x) = 16 + x
Use ordinary division of polynomials to find the quotient and remainder when the first polynomial is divided by the second.2x4 - x3 - 15x2 + 3x, x + 3
A. 2x3 - 7x2 + 6x - 15; 45 B. 2x3 + 5x2 + 3; 9 C. 2x3 - 7x2 + 6x - 15; - 45 D. 2x3 - 5x2 + 3; 9
Solve the following systems of linear equations using Gaussian elimination
-2x - y = 1 x + y - z = -6 2x + y -4z = 13
Solve the problem.Enthalpy is a measurement of energy in a thermodynamic system. The enthalpy H of a homogeneous system is related to the internal energy U of the system, the pressure p of the system, and the volume V of the system through the equation H = U + pV. Solve the equation for the internal energy in terms of the other variables.
A. V = 
B. U = 
C. V = H + pU
D. U = H - pV