Ohm's Law for the current I in a circuit with voltage E, resistance R, capacitance reactance XC, and inductive reactance XLis 
Use this law to solve the problem.Find I if 
R = 9, XL= 7, and XC= 3.
A.
 +  i |
B.
 +  i |
C.
 +  i |
D.
 +  i |
Answer: D
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A. 14 B. 7 C. 196 D. none of the above
Solve the problem.The grade resistance F of a car traveling up or down a hill is modeled by the equation F = W sin ?, where W is the weight of the car and ? is the angle of the hill's grade (? > 0 for uphill travel, ? < 0 for downhill travel). What is the grade resistance (to the nearest pound) of a 2100-lb car traveling downhill on a 5° grade (? = -5°)?
A. 183 lb B. -2105 lb C. 2105 lb D. -183 lb
Solve the problem.Which of the following investments would not be considered a primary asset class?
A. precious metals B. stock swaps C. cash D. real estate
Use transformations to graph the function.f(x) = 5(x - 3) + 1
A. 
B. 
C. 
D. 