Solve.The power that a resistor must dissipate is jointly proportional to the square of the current flowing through the resistor and the resistance of the resistor. If a resistor needs to dissipate 
of power when 
of current is flowing through the resistor whose resistance is 
find the power that a resistor needs to dissipate when 
of current are
flowing through a resistor whose resistance is 
A. 32 watts
B. 16 watts
C. 40 watts
D. 8 watts
Answer: A
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Simplify the difference quotients 
and 
for the following function. Rationalize the numerator when necessary.f(x) = 5x2 + 6x + 1
A. 10x2 + h; 25x + 25a + 6 B. 10x + 5h + 6; 5x + 5a + 6 C. 10x + 10h + 6; 5x - 5a - 6 D. 10x + 6h + 1; 10x + 10a + 6
Graph the function.A rotating beacon is 10 m from a straight wall. The length L of the light beam is given by 
. Sketch the graph of L as a function of t for 
. Show the portion of the graph which demonstrates meaningful values. Label significant points on the horizontal axis.
A. 
B. 
C. 
D. 
Simplify. Unless otherwise specified, assume that variables can represent any number.
A. 13 B. -13 C. 169 D. Not a real number
Find a rational function that satisfies the given conditions. Answers may vary, but try to give the simplest answer possible.Oblique asymptote y = 4x - 5
A. f(x) = 
B. f(x) = 
C. f(x) = 
D. f(x) = 