Divide. Simplify, if necessary.
÷ 2
A. 5
B. 
C. 
D. 
Answer: C
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Solve the exponential equation. Use a calculator to obtain a decimal approximation, correct to two decimal places, for the solution.e4x = 2
A. {2.77} B. {1.36} C. {0.17} D. {0.69}
Solve the problem.Sue wants to put a rectangular garden on her property using 68 meters of fencing. There is a river that runs through her property so she decides to increase the size of the garden by using the river as one side of the rectangle. (Fencing is then needed only on the other three sides.) Let x represent the length of the side of the rectangle along the river. Express the garden's area as a function of x.
A. A(x) = 35x - 2x2
B. A(x) = 34x - 
x2
C. A(x) = 34x2 - x
D. A(x) = 33x - 
x2
Decide whether or not the function is a probability density function on the indicated interval.f(x) = 
x - 
; [3, 4]
A. No B. Yes
Solve.Richard owns 80 shares of a stock whose value went down $1.70 per share. He also owns 65 shares of a stock whose value went up 
per share. How much did Richard gain or lose?
A. loss of $84 B. loss of $188 C. gain of $188 D. gain of $84