Write a chain rule formula for the following derivative.
for u = f(r, s, t); r = g(y), s = h(z), t = k(x, z)
A. 
= 
B. 
= 0
C. 
= 
D. 
= 
Answer: C
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Determine if the given function y is a solution of the differential equation that follows it. Assume that C is an arbitrary constant.y = Ce-5t; y'(t) + 5y = 0
A. No B. Yes
Convert the volume as indicated.33 milliliters to liters
A. 3300 L B. 33,000 L C. 0.033 L D. 0.33 L
Write the number in scientific notation.0.000198
A. 1.98 × 10-3 B. 1.98 × 10-5 C. 1.98 × 104 D. 1.98 × 10-4
Solve the linear programming problem.Your computer supply store sells two types of laser printers. The first type, A, has a cost of $86 and you make a $45 profit on each one. The second type, B, has a cost of $130 and you make a $35 profit on each one. You expect to sell at least 100 laser printers this month and you need to make at least $3850 profit on them. How many of what type of printer should you order if you want to minimize your cost?
What will be an ideal response?