The graph of a logarithmic function is shown. Select the function which matches the graph.
A. f(x) = 1 - log3x
B. f(x) = log3x
C. f(x) = -log3x
D. f(x) = log3(-x)
Answer: A
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Solve the problem.A 41-in. piece of string is cut into two pieces. One piece is used to form a circle and the other to form a square. How should the string be cut so that the sum of the areas is a minimum? Round to the nearest tenth, if necessary.
A. Square piece = 10.1 in., circle piece = 9.7 in. B. Square piece = 0 in., circle piece = 41 in. C. Circle piece = 9.9 in., square piece = 31.1 in. D. Square piece = 9.9 in., circle piece = 31.1 in.
Perform the indicated operation and write the answer in lowest terms. - 
+ 
A. - 
B. - 
C. - 
D. 
Solve.Find the hydrogen ion concentration of a solution whose pH is 5.9. Use the formula 
A. 0.77085201 B. 1.26 × 10-6 C. -0.770852 D. 7.94 × 105
Solve the problem.A straight trail with a uniform inclination of 11° leads from a lodge at an elevation of 700 feet to a mountain lake at an elevation of 7300 feet. What is the length of the trail (to the nearest foot)?
A. 7437 feet B. 6724 feet C. 34,590 feet D. 38,258 feet