Divide.
A. 4 + 
i
B. - 
+ 4i
C. 
- 4i
D. -4 - 
i
Answer: A
You might also like to view...
Find the domain and range and describe the level curves for the function f(x,y).f(x, y) = 
A. Domain: all points in the xy-plane; range: all real numbers; level curves: parabolas 
B. Domain: all points in the xy-plane; range: real numbers z ? 0; level curves: parabolas 
C. Domain: all points in the xy-plane except y = 0; range: real numbers z ? 0 ; level curves: parabolas 
D. Domain: all points in the xy-plane except y = 0; range: all real numbers; level curves: parabolas 
Solve the problem. Where appropriate, round to the nearest tenth of a percent.On a biology test, a student got 25 questions correct but did not pass. On a second attempt, the student got 31 questions correct. What was the percent increase?
A. 76% B. 6% C. 24% D. 19.4%
Evaluate f(x) at the given value of x.f(x) = 11; x = 7
A. -11 B. 77 C. 11 D. -77
Solve the problem.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. 48 volts
B. 24 volts
C. 18 volts
D. 42 volts