Without graphing, find the line of symmetry.f(x) = (x - 5)2 + 5
A. x = 4
B. x = -5
C. x = 5
D. x = 6
Answer: C
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Find the limit.
(-4x18 + 15)
A. ? B. -? C. 0 D. 15
Plot the following points and find the midpoint of the line segment joining the points. ? (9, 6), (5, 6) ?
A. ?
Midpoint: (7, 6)
B. ?
Midpoint: (7, 6)
C. ?
?
Midpoint: (7, 6)
D. ?
Midpoint: (7, 6)
E. ?
Midpoint: (7, 6)
Determine the principal value without using a calculator.- 4
A. 25 B. Not real number C. 8.368 D. -5
Solve the problem.The power that a resistor must dissipate is jointly proportional to the square of the current flowing through the resistor and the resistance of the resistor. If a resistor needs to dissipate 
of power when 
of current is flowing through the resistor whose resistance is 
find the power that a resistor needs to dissipate when 
-4.0px;" /> of current are flowing through a resistor whose resistance is 
A. 252 watts
B. 126 watts
C. 294 watts
D. 42 watts