Find an equation for the hyperbola described. Graph the equation.Center at (0, 0); focus at (
, 0); vertex at (4, 0)
A. 
- 
= 1
B. 
- 
= 1
C. 
- 
= 1
D. 
- 
= 1
Answer: B
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You start with $32.28 in your piggy bank and add $9.28 each week. Write a formula for the amount P of money, in dollars, in your piggy bank after t weeks. ?
A. 
B. 
C. 
D. None of the above
Solve the problem.Suppose that f has a positive derivative for all values of x and that f(2) = 0. Which of the following statements must be true of the function g(x) = 
?
A. The graph of g crosses the x-axis at x = 2. B. The function g has a local minimum at x = 2. C. The graph of g has an inflection point at x = 2. D. The function g has a local maximum at x = 2.
Use DeMoivre's Theorem to find the indicated power of the complex number. Write the answer in rectangular form.
5
A. -64
+ 64
i
B. -128 + 128i
C. -64 + 64i
D. - 
+ 
i
Use properties of logarithms to expand the logarithmic expression as much as possible. Where possible, evaluate logarithmic expressions without using a calculator.ln 
A. x ln 4
B. 4ln x
C. 
ln x
D. 4ln 