Multiply. Express the product in lowest terms.
? 
A.
B.
C.
D.
Answer: C
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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 = . Use the equation
=
+
src="https://sciemce.com/media/4/ppg__wra0609191916__f1q193g5.jpg" style="vertical-align: -17.0px;" /> to find how much the power is changing at the instant when R = 4 ohms, V = 2 volts,
and dV/dt = -0.08 volts/sec.
A. -0.92 watts
B. -1.08 watts
C. 0.92 watts
D. 1.08 watts
Solve the problem.Devin purchased a $3500 bond paying 4.5% annual simple interest after graduating from college. It is now 35 years later and he decides to cash in the bond. What is the value of this bond now? Round your answer to the nearest dollar.
A. $8632 B. $9013 C. $5513 D. $16,336 E. $3537
Solve the equation by completing the square.8x2 - 39x = 5
A.
B. {5}
C.
D.
Find the domain and range of the relation.{(-2, -6), (1, 4), (4, 0), (7, -1)}
A. domain: {-2, 1, 4, 7}, range: {-6, 4, 0 } B. domain: (-?, ?), range: {-2, 1, 4, 7} C. domain: {-2, 1, 4, 7}, range: {-6, 4, 0, -1} D. domain: {-6, 4, 0, -1}, range: (-?, ?)