Use implicit differentiation to find dy/dx.xy + x = 2
A. 
B. 
C. - 
D. - 
Answer: D
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Solve and check. Identify any extraneous solutions.
+ 
= 
A. -4 B. No solution (-4 is extraneous) C. 0, 4 D. 3
Solve the problem.While bungee jumping, Gregory falls from a height of 768 feet. He continues to bounce one-fourth the height from which he last fell. Write out the first five terms of this geometric sequence and find the general term.
A. 768, 192, 48, 12, 3; an = 
B. 192, 48, 12, 3, 
; an = 
C. 768, 192, 48, 12, 3; an = 
D. 768, 764, 760, 756, 752; an = 768 - 4(n - 1)
Solve the equation.
+ 
= 
A. 
B. 
C. 
D. No solutions
Solve the problem.The volume V of a given mass of gas varies directly as the temperature T and inversely as the pressure P. A measuring device is calibrated to give 
when 
and 
What is the volume on this device when the temperature is 
and the pressure is 
style="vertical-align: -4.0px;" /> A. V = 13 in3 B. V = 130 in3 C. V = 90 in3 D. V = 170 in3