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. 
= 
C. 
= 
D. 
= 0
Answer: C
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Label the pair of statements as either contrary or consistent.Today is Friday.Tomorrow is Sunday.
A. Contrary B. Consistent
Solve the problem.In January 1983, Anna starts a new job and makes an annual salary of $38,000. By January 1986 her annual salary has increased to $46,300, and by January 
it has increased to 
What is the average rate of change of her salary between January 1986 and January 
A. $9680 per year B. $16,163 per year C. $25,860 per year D. $24,200 per year
Solve.A rectangular board is 16 ft by 20 ft. How far from the center of the board should the foci be located in order to cut the largest elliptical tabletop from the board?
A. 4.0 ft B. 6.0 ft C. 8.0 ft D. 2.0 ft
Write the whole number in standard form.Ten million, three hundred fifty-four thousand, two hundred three
A. 1,354,203 B. 10,354,203 C. 135,423 D. 1,354,230