Find an equation for the graph.
A. y = 3 sin 
B. y = 2 sin 
C. y = 2 sin (3x)
D. y = 3 sin (2x)
Answer: B
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Write the complex number in rectangular form.3
A. 
+ 
i
B. 
+ 
i
C. 
+ i
D. 
+ 
i
Solve the problem.Stock in a company is selling for $6
per share. If someone purchased 
worth of stock in this company, how many shares did they get?
A. 183
shares
B. 1482 shares
C. 5928 shares
D. 228 shares
Use Descartes' Rule of Signs and the Rational Zeros Theorem to find all the real zeros of the polynomial function. Use the zeros to factor f over the real numbers. f(x) = 3x3 + 8x2 - 5x + 6
A. -3, 
, 1; f(x) = (3x - 2)(x - 1)(x + 3)
B. 1, 
, -3; f(x) = (3x - 2)(x - 1)(x + 3)
C. -1, 
, -3; f(x) = (3x - 2)(x - 3)(x + 1)
D. -1, 
, 3; f(x) = (3x - 2)(x - 3)(x + 1)
Use graphing calculator to find the inverse of the matrix. Give 5 decimal places.A = 
A. 
B. 
C. 
D. 