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question 40 Solve the logarithmic equation. Be sure to reject any value that is

ID: 3028886 • Letter: Q

Question

question 40 Solve the logarithmic equation. Be sure to reject any value that is not in the domain of the original logarithm expressions. Give the exact answer. log_4 (x + 3) + log_4 (x - 3) = 2 A) {6} B) {-5} C){5,-5} D){5} Solve. The value of a particular investment follows a pattern of exponential growth. In the year 2000, you invested money in a money market account. The value of your investment t years after 2000 is given by the exponential growth model A = 1600e^0.052t. By what percentage is the account increasing each year? A) 5.2% B) 5.8% C) 5.5% D) 5.7%

Explanation / Answer

A = 1600e^(0.052t)

at t= 0 ; A = 1600

after 1 year A = 1600e^(0.052) = 1600*1.0533 = 1685.28

% change every year =[ (1685.28 -1600)/1600]*100

= 5.33 %

Approxiamtely option 1