Write the expression in the standard form a + bi.
A. i
B. -i
C. -1
D. 1
Answer: B
Mathematics
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Use polar coordinates to find the limit of the function as (x, y) approaches (0, 0).f(x, y) = cos-1
A. 
B. ?
C. 1
D. No limit
Mathematics
Provide an appropriate response.Write an expression and simplify to find the area of the following:
What will be an ideal response?
Mathematics
Factor completely. If the polynomial cannot be factored, say it is prime.15x3 - 16x2 - 15x
A. x2(5x + 3)(3x - 5) B. x(3x + 3)(5x - 5) C. x(5x + 3)(3x - 5) D. (5x2 + 3)(3x - 5)
Mathematics
Provide an appropriate response.The payoff table for three possible courses of action A1, A2, and A3 is given below.pi?A1xi?A2xi?A3xi?.3$70$40$50.2$100$120$110.1$160$140$90.4$80$140$160Which course of action will produce the largest expected value? What is it?
What will be an ideal response?
Mathematics