The graph of a logarithmic function is given. Select the function for the graph from the options.
A. f(x) = log2(-x)
B. f(x) = 1 - log2x
C. f(x) = -log2x
D. f(x) = log2x
Answer: A
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Provide an appropriate response.A major advantage to using an escrow account is:
A. all of these apply to escrow B. it assures the lending agency that property taxes and insurance will be paid in a timely fashion C. the borrower is not required to include an amount for property taxes and insurance each month with their mortgage payment D. the monthly mortgage payment will be reduced by the tax and insurance payment
Solve the problem.A railroad bridge is built over a V-shaped canyon. If the supports are 4 feet long at each end, the center support is 409 feet long, and the supports increase in length by 3 feet with each support (from 4 feet to 409 feet), what is the total length of all the supports?
A. 55,755 ft B. 55,756 ft C. 55,762 ft D. 55,759 ft
Solve the variation problem.The voltage across a resistor is jointly proportional to the resistance of the resistor and the current flowing through the resistor. If the voltage across a resistor is 
for a resistor whose resistance is 
and when the current flowing through the resistor is 
find the voltage across a resistor whose resistance is 
when
the current flowing through the resistor is 
A. 48 volts
B. 24 volts
C. 42 volts
D. 56 volts
Solve the problem.The profit that the vendor makes per day by selling x pretzels is given by the function 
Find the number of pretzels that must be sold to maximize profit.
A. 0.8 pretzels B. -30 pretzels C. 800 pretzels D. 400 pretzels