Find dy/dx by implicit differentiation.xy + x = 2

A.
B. - 
C. - 
D.


Answer: C

Mathematics

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Solve the problem.You are considering renting a computer. The first option is to pay a $280 base fee upon signing the rental agreement plus $15 per week, while the second option is to pay no base fee but to pay $22 per week. After how many weeks does the first option become the better deal?

A. 6 B. 40 C. 9 D. 7

Mathematics

Solve.Scott set up a volleyball net in his backyard. One of the poles, which forms a right angle with the ground, is 7 feet high. To secure the pole, he attached a rope from the top of the pole to a stake 9 feet from the bottom of the pole. To the nearest tenth of a foot, find the length of the rope.

A. 11.4 ft B. 130 ft C. 4 ft D. 5.7 ft

Mathematics

Find the phase shift or vertical shift as requested.Find the phase shift of y = -5 sin 

A.
B.
C. -?
D.

Mathematics

Write as a decimal.84.72%

A. 0.8472 B. 8.472 C. 0.08472 D. 0.8372

Mathematics