Divide and simplify.
A. 3x2 + 2 + 
B. 3x + 2 + 
C. 3x2 + 2 + 
D. 3x + 2 + 
Answer: C
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Evaluate the expression.84/3
A. 128 B. 32 C. 16 D. 64
Provide an appropriate response.Integrate 
using the substitution u = cot x and using the substitution 
Show the results are the same.
What will be an ideal response?
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__10612191704__f1q94g5.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 = 4 volts, 
and dV/dt = -0.08 volts/sec.
A. 3.84 watts
B. 4.16 watts
C. -4.16 watts
D. -3.84 watts
Use Heron's formula to find the area of the triangle. Round to the nearest square unit.a = 5 inches, b = 12 inches, c = 9 inches
A. 23 square inches B. 21 square inches C. 49 square inches D. 51 square inches