Sketch the logarithmic function.f(x) = log2 (x + 1) + 1
A. 
B. 
C. 
D. 
Answer: B
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Use a graphing calculator to solve the equation.ln(x + 3) - ln(7) = -ln x
A. 2.7164 B. 3.0414 C. 2.1794 D. 2.8154
Find the due date and proceeds. Round to the nearest cent.
A. January 9; $4647.50 B. January 9; $4152.50 C. January 11; $4647.50 D. January 11; $4152.50
Mix a solution that is 70% alcohol with a solution that is 10% alcohol to make 240 mL of a solution that is 20% alcohol. How much of each solution should you use?
A. So, mix 120 mL of the 70% solution and 120 mL of the 10% solution. B. So, mix 30 mL of the 70% solution and 210 mL of the 10% solution. C. So, mix 40 mL of the 70% solution and 200 mL of the 10% solution. D. So, mix 210 mL of the 70% solution and 30 mL of the 10% solution. E. So, mix 200 mL of the 70% solution and 40 mL of the 10% solution.
Solve the problem.Suppose the demand for a certain item is given by 
, where p represents the price of the item. Find D'(7).
A. -35 B. 10 C. -32 D. 7