Find the midpoint of the line segment joining the points.
?
?
A. (4, 
, 
)
B. (
, 
, 4)
C. (
, 
, 4)
D. (
, 4, -
)
E. (
, 4, 
)
Answer: A
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Use the graph to answer the question.
Mike decides to buy shares of companies X and Y, which were initially selling for the same price. The changes in each stock's value over 90 days are shown in the graph above. At its peak, about how much more was stock Y worth than X?
A. $65 B. $90 C. $45 D. $75
Use the quadratic formula to find the exact solutions.x2 - 10x + 34 = 0
A. 8, 2 B. 10 ± 6i C. -5 ± 3i D. 5 ± 3i
Find the domain and the range for the function.
A. D: 
, R: 
B. D: 
, R: 
C. D: 
, R: 
D. D: All real numbers, R: 
Solve the problem.Ohm's law relates the current in a circuit, I, in amperes, the voltage of the circuit, V, in volts, and the impedance of the circuit, Z, in ohms, by the formula 
Find V, the voltage of a circuit, if 
and Z = (2 + 4i) ohms.
A. (-32 + 66i) volts B. (28 - 66i) volts C. (-32 - 66i) volts D. (28 + 66i) volts