Question

21) 21. Given the line y = {x+4, find the slope of a line perpendicular to this line. A)-3/2 B) 3/2 C) 2/3 D) -2/3 E) None of the Above 22) 22. Which of the following represents x as a function of y? A) {(8,8), (8,7), (8, -3),(-8,1)} B) x2 = y C) {(1,5),(5,1),(6,6),(10,6)} D) (x + 3)2 + (y + 4)2 = 4 E) None of the Above 23. A polynomial function f(x) is known to have degree 3 and a real root at x = 6 and an imaginary root at x = 2 + i. Which of the following is a true statement about f(x)? A) The function f(x) will have one additional imaginary root at x = 2 - i B) The graph of f(x) will bounce off of the x-axis at x = 6 23) C) The function f(x) will have additional imaginary roots at x = 2i and x = -1 D) The function f(x) will have one additional real root E) None of the above. 24) 24. Given the function f(x) = x2 + 8, which of the following is a true statement? A) f(x) is an even function B) f(x) is symmetric about the origin C) f(x) is an odd function D) f(x) is one-to-one E) None of the above. 25. Which of the following graphs does not represent the graph of a function, such that y is a function of x? 25) D.

Answer 1

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