Find the indicated derivative.Find fz for f(x, y, z) = 
.
A. 
B. 
C. 
D. 
Answer: D
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Decide whether the statement makes sense. Explain your reasoning.Our utility company charges 10 cents per joule for the energy we use.
What will be an ideal response?
Choose the ordered pair which is a solution of the inequality.2x + 3y < 5
A. (1, 1)
B. (2, 2)
C. 
D. (3, 2)
Choose a strategy and solve.Originally your car cost $13,661. Four years later your car cost $19,291. How much did the price increase?
A. No increase, it was a decrease. B. $6630 C. $4630 D. $5630
Determine which of the following methods is the best choice for solving the given equation: factoring, using the principle of square roots or using the quadratic formula. Then, solve the equation.x2 + x + 4 = 0
A. Factoring; -1, 0
B. Square root principle or factoring; 1, 0
C. Quadratic formula; 
D. Square root principle; 