Use the definition of equality of complex numbers to find the real numbers x and y such that the equation is true.6 + yi = x + 
A. x = -6, y = 11
B. x = -6, y = -11
C. x = 6, y = -11
D. x = 6, y = 11
Answer: D
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Write the series in summation notation. Use the index i and let i begin at 1 in each summation.2 + 3 + 4 + 5 + 6
A. 
B. 
C. 
D. 
Provide an appropriate response.Evaluate: 3(62 + 44)
Fill in the blank(s) with the appropriate word(s).
Provide an appropriate response.Write 
using exponents.
A. 1
B. 
C. 
D. 
Determine whether the graph is that of a function. If it is, use the graph to find its domain and range, the intercepts, if any, and any symmetry with respect to the x-axis, the y-axis, or the origin.
A. function domain: {x|x > 0} range: all real numbers intercept: (0, 1) symmetry: origin B. function domain: all real numbers range: {y|y > 0} intercept: (1, 0) symmetry: none C. function domain: {x|x > 0} range: all real numbers intercept: (1, 0) symmetry: none D. not a function