Write two equivalent expressions for the opposite of the polynomial.5ay2 - 4a3y + 2a
A. -(-5ay2 + 4a3y - 2a),
-5ay2 + 4a3y - 2a
B. -(5ay2 - 4a3y + 2a),
-5ay2 + 4a3y - 2a
C. -(5ay2 - 4a3y + 2a),
-5ay2 - 4a3y + 2a
D. None of these
Answer: B
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Find the value of the expression.log16 4
A. 
B. 2
C. 
D. -2
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__ttttt0613191120__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 = 2 volts, 
and dV/dt = -0.08 volts/sec.
A. 0.58 watts
B. 0.42 watts
C. -0.42 watts
D. -0.58 watts
Express in terms of sums and differences of logarithms.logb
A. 
logbx ? logby ÷ 
logbz
B. 
logbx + logby - 
logbz
C. 
logbx - logby + 
logbz
D. 
logbx + 2logby - 5logbz
Graph.x = 9y
A. 
B. 
C. 
D. 