Simplify.4 + 6 ? 5 - 17
A. 33
B. -68
C. 17
D. 0
Answer: C
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For the following equation, graph y = f1(x) and y = f2(x) on the same screen on your calculator. From the graphs, make a conjecture as to whether the equation is an identity. If so, prove your conjecture.sin 
cos 
= 
What will be an ideal response?
Solve.A box is constructed by cutting out square corners of a rectangular piece of cardboard and folding up the sides. If the cutout corners have sides with length x, then the volume of the box is given by the polynomial 
Factor out the greatest common factor for this expression.
A. 4x(x2 - 18x + 45) B. 4(x3 - 18x2 + 45x) C. 4x(x2 + 18x + 45) D. 2x(2x2 - 36x + 90)
Divide using long division.
A. x2 + 4x + 3 B. x2 - 4x - 3 C. 5x2 - 4x - 3 D. 5x2 - 3
Solve the problem.Suppose that $5000 is invested at an interest rate of 5.7% per year, compounded continuously. What is the doubling time?
A. 12.2 years B. 13.2 years C. 2 years D. 11.2 years