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 = (5 + 7i) ohms.
A. (-24 - 70i) volts
B. (70 - 24i) volts
C. (-24 + 70i) volts
D. (70 + 24i) volts
Answer: C
Mathematics
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Find the largest open interval where the function is changing as requested.Increasing f(x) = 
x2 - 
x
A. (-1, 1) B. (1, ?) C. (-?, ?) D. (-?, -1)
Mathematics
Solve the differential equation.x
+ 2y = 8 - 
, x > 0
A. y = 
, x > 0
B. y = 
, x > 0
C. y = 
, x > 0
D. y = 
, x > 0
Mathematics
When top managers make decisions that are in the company's best interest rather than their own best interest, they are considered to be acting opportunistically.
Answer the following statement true (T) or false (F)
Mathematics
Perform the operation indicated. Simplify.
+ 
A. 
B. 
C. 
D. 
Mathematics