Use implicit differentiation to find the specified derivative at the given point.Find 
at the point (2, 1) for ln x + xy2 + ln y = 0.
A. -1
B. 
C. 1
D. - 
Answer: D
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Solve the problem by integration.The current i (in A) as a function of the time t (in s) in a certain electric circuit is given by 
Find the total charge that passes a given point in the circuit during the first three seconds.
A. 1.881 C B. 7.522 C C. 3.738 C D. 3.761 C
Use the zero-exponent rule to simplify the expression.(-12)0
A. -12 B. -1 C. 0 D. 1
Find the missing angle or angles.
A. 79° B. 61° C. 69° D. 37°
Beverages were sold to parents and children at a school basketball game in the quantities and prices given in Figures 1 and 2.Figure 1 Quantities CoffeeMilkColaAdult males21528310Adult females33819348Children5103758? Figure 2 PriceCoffee$0.40Milk$0.50Cola$1.20 How much money were spent by adult males, adult females and children?Please enter your answer as three numbers, separated by a comma, rounded to the nearest tenth.
What will be an ideal response?