Estimate the value as a whole number or as a mixed numeral where the fractional part is 
.
+ 
+ 
A. 3
B. 2
C. 2
D. 3
Answer: D
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Solve the problem.A simple electrical circuit consists of a resistor connected between the terminals of a battery. The voltage V (in volts) is dropping as the battery wears out. At the same time, the resistance R (in ohms) is increasing as the resistor heats up. The power P (in watts) dissipated by the circuit is given by P = src="https://sciemce.com/media/4/ppg__10615191621__f1q4g5.jpg" style="vertical-align: -17.0px;" /> 
. Use the equation
= 
+ 
to find how much the power is changing at the instant when R = 4 ohms, V = 3 volts, 
and dV/dt = -0.08 volts/sec.
A. -0.15 watts
B. 0.15 watts
C. -0.09 watts
D. 0.09 watts
Use a fraction to represent the shaded area of the figure.
A. 
B. 
C. 
D. 
Use Cramer's rule to solve the system.-2x - 4y - 4z = -62 -4y + 3z = -7-4x - 4z = -40
A. {(3, -7, -7)} B. {(4, 5, 7)} C. {(7, 7, 7)} D. {(3, 7, 7)}
The sequence is defined recursively. Write the first four terms.a1 = 3 and an = 2an-1 for n ? 2
A. 3, 8, 14, 26 B. 3, 5, 4, 3 C. 3, 6, 12, 24 D. 4, 8, 16, 32