Write the expression as the sum or difference of logarithms.logn xy
A. logx n + logx y
B. logn x - logn y
C. log2 x - log2 y
D. logn x + logn y
Answer: D
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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. (28 + 66i) volts B. (-32 + 66i) volts C. (-32 - 66i) volts D. (28 - 66i) volts
Solve the problem.A ball is launched vertically with an initial velocity of 160 feet per second. The function 
describes the height of the ball above the ground, s(t), in feet, t seconds after the launch. What is the instantaneous speed of the ball when it hits the ground?
A. -320 B. 160 C. -160 D. 320
Convert as indicated.28 tons to pounds
A. 28,000 lb B. 5600 lb C. 56,000 lb D. 448 lb
Graph the function using translations. 
a. 
b. 
c. 
d. 