Solve the problem.If the resistance in an electrical circuit is held constant, the amount of current flowing through the circuit is directly proportional to the amount of voltage applied to the circuit. When 
are applied to a circuit, 
of current flow through the circuit. Find the new current if the voltage is increased to 
A. 336 mA
B. 140 mA
C. 375 mA
D. 350 mA
Answer: D
Mathematics
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The graph shown gives the weight of a certain person as a function of age. Find the age at which the person started an exercise program.
a. 20
b. 54
c. 38
d. 30
e. 35
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Solve the rational inequality. Write the solution set using interval notation; then graph the solution set on a number line.
? 4x
A. [0, 5] ? [7, ?)
B. (-?, 5] ? [7, ?)
C. (-?, 0] ? [5, 7)
D. [7, ?)
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Find the volume of the circular cone. Use 3.14 for ? and round as indicated. Round to the nearest whole number.
A. 25 cm3 B. 113 cm3 C. 19 cm3 D. 75 cm3
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Determine 
for the pair of functions 
and 
.
A. 
B. 
C. 
D. 
E. 
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