Solve the problem.Evaluate 
, a > 0by integrating 
A. 
B. 
C. 
D. 
Answer: A
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Solve the problem.For a resistor in a direct current circuit that does not vary its resistance, the power that a resistor must dissipate is directly proportional to the square of the voltage across the resistor. The resistor must dissipate 
watt of power when the voltage across the resistor is 8 volts. Find the power that the resistor must dissipate when the voltage across it is 24 volts.
A. 
watt
B. 
watt
C. 
watt
D. 4 watts
Solve the system of equations.x + 5y + 3z = 31 5y + 3z = 29 z = 3
A. (3, 4, 2) B. (2, 4, 3) C. (2, 3, 4) D. No solution
The graph of a function f is given. Use the graph to answer the question.How often does the line y = -50 intersect the graph?
A. once B. twice C. three times D. does not intersect
Find all numbers that must be excluded from the domain of the rational expression.
A. x ? 
B. x ? 8
C. x ? 8, x ? -8
D. x ? 64