A pair of similar triangles is shown. Find the measure of the segment marked with the letter x.
A. x = 12
B. x = 7
C. x = 21
D. x = 28
Answer: C
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Determine whether the integral converges or diverges.
A. diverges, 
? 
for x ? 1, 
diverges
B. diverges, 
? 
for x ? 1, 
diverges
C. converges, 
? 
for x ? 1, 
converges
D. converges, 
? 
for x ? 1, 
converges
Compute the gradient of the function at the given point.
p = 
A. 36i - 4j B. -108i - 36j C. 36i - 36j D. -216i - 36j
Determine whether the improper integral converges or diverges.
A. Diverges B. Converges
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. 300 mA B. 60 mA C. 325 mA D. 288 mA