Solve the problem.The voltage V (in volts) across a resistor in an electric circuit is the product of the resistance and the current. If the current I (in A) varies with time (in s) according to the relation 
and the resistance varies with time according to the relation 
find the time rate of change of the voltage when 
A. 68.46 volts/s
B. -0.04 volts/s
C. 3.84 volts/s
D. 3.88 volts/s
Answer: C
Mathematics
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Write an equation, in slope-intercept form if possible, of the line through the pair of points.(-7, 0) and (0, 3)
A. y = 
x + 3
B. y = 
x + 3
C. y = - 
x + 3
D. y = - 
x + 3
Mathematics
Graph the absolute value function. State the domain and range.f(x) = 
+ 3
A. Domain: (-?, ?); Range: [0, ?)
B. Domain: (-?, ?); Range: (-?, 3]
C. Domain: (-?, ?); Range: [3, ?)
D. Domain: (-?, ?); Range: [- 3, ?)
Mathematics
Solve.10% of what number is 13?
A. 180 B. 1300 C. 120 D. 130
Mathematics
Simplify.
A. -3x
B. -3
C. -3x3
D. -9x
Mathematics