What value of x gives the minimum value of
?
Consider only positive x-values.
A. 
B. 
C. 
D. There is no solution.
Answer: C
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Solve the equation 
. Restrict your attention to the horizontal span of 0 to 75. Round your answer to two decimal places if necessary.
?
A. 17.33 B. 16 C. 24.42 D. 23.31
Solve the equation.(4m - 1)2 - 10(4m - 1) + 21 = 0
A. - 2, - 1
B. 6, 
C. - 
, - 
D. 2, 1
Use the discriminant to find what type of solutions (two rational, two irrational, one rational, or two nonreal complex) each of the following equations has. Do not solve the equation.x2 - 5x + 7 = 0
A. one rational solution B. two rational solutions C. two irrational solutions D. two nonreal complex solutions
Solve.The voltage across a resistor is jointly proportional to the resistance of the resistor and the current flowing through the resistor. If the voltage across a resistor is 
for a resistor whose resistance is 
and when the current flowing through the resistor is 
find the voltage across a resistor whose resistance is 
and when the current flowing
through the resistor is 
A. 72 volts
B. 36 volts
C. 24 volts
D. 54 volts