Solve for x.log9 x + log9 (x - 80) = 2
A. -1, 81
B. 1, -81
C. 9
D. 81
Answer: D
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Use the type of regression function specified to make a prediction from the given data.The table below shows the population of a city in the years 1990 through 1994. Use regression to fit an exponential function P(t) = P0ekt to the data where t is the number of years since 1990 and P is the population in millions. Round regression coefficients to four decimal places.
A. P(t) = 0.6494 e0.2557t B. P(t) = 0.2494 e0.3728t C. P(t) = 6.1981 e0.0457t D. P(t) = 1.2861 e0.2209t
Find the missing number.The area of a parallelogram is 440 cm2 and the height is 11 cm. Find the base.
A. 34 cm B. 40 cm C. 1600 cm D. 45 cm
Provide an appropriate response.If an initial investment of $3000 grows to $18,000 in ten years, find the nominal rate of interest, compounded monthly, that was earned by the money.
Fill in the blank(s) with the appropriate word(s).
Solve the problem.Assume that the following table shows the market prices in dollars per pound that a trucker can get for his load of fruit in three cities: San Francisco (S.F.), Las Vegas (L.V.), and Los Angeles (L.A). 
A trucker has a load of 4000 pounds of peaches and 3000 pounds of apples. Use matrix multiplication to compute the total market value of his load in each of the three cities.
A. 
B. 
C. 
D. 