Find the product.-8x6(11x7 - 7x4)
A. -88x13 + 56x10
B. -32x13 - 32x10
C. -32x6
D. -88x13 - 7x4
Answer: A
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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__wra0609191916__f1q193g5.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. -0.92 watts
B. -1.08 watts
C. 0.92 watts
D. 1.08 watts
Determine whether the relation is a function. Give the domain and range.{(7, -9), (-3, 0), (3, 7), (-1, -3)}
A. function; domain: {-3, -1, 3, 7}; range: {-9, -3, 0, 7} B. not a function; domain: {-3, -1, 3}; range: {-9, -3, 0, 7}
The growth rate G, in thousands per year, of a certain population depends on the number N, in thousands, of individuals present. The relationship is
.
?
A: Make a graph of growth rate versus population size.
?
B: What population level results in a maximum growth rate? What is that maximum growth rate?
Round your answers to two decimal places.
?
C: When population demands exceed available resources, a population decline can be expected. What population levels would result in a declining population? Round your answer to two decimal places.
What will be an ideal response?
Given the function, find the indicated value.f(x) = 6 - 4x; f(9)
A. 42 B. -30 C. 2 D. -36