Use properties of logarithms to condense the logarithmic expression. Write the expression as a single logarithm whose coefficient is 1. Where possible, evaluate logarithmic expressions.log104 + log1025
A. log10100
B. 2log1010
C. 2
D. log1029
Answer: C
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You put a drink in the freezer to cool. When it is chilled, you take the drink out but, being forgetful, leave it sitting on the kitchen counter. The temperature D, in degrees, of the drink t minutes after it is put in the freezer is given by
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.
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During the period from 5 minutes after it is put in the freezer until 20 minutes after, when is the drink the warmest, and what is its warmest temperature? Be careful. You are asked for the warmest temperature, not the coldest. Round your answers to two decimal places.
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A. It reaches its warmest temperature of 45.13 degrees after 5.00 minutes. B. It reaches its warmest temperature of 5.00 degrees after 45.13 minutes. C. It reaches its warmest temperature of 20.00 degrees after 54.93 minutes. D. It reaches its warmest temperature of 54.93 degrees after 20.00 minutes.
A population is modeled by the function
.
For what value of N is the population growing at the fastest rate? Round your answer to two decimal places, if necessary.
?
A. 
B. 
C. 
D. 
Determine if the ordered pair is a solution of the equation. Remember to use alphabetical order for substitution.(7, 4); x - y = 49
A. No B. Yes
Solve the problem.The growth in the population of a certain rodent at a dump site fits the exponential function 
where t is the number of years since 1965. Estimate the population in the year 2000.
A. 104 B. 195 C. 96 D. 192