(E) (5.0, 3.0)
48 . If f(x) = 3x – 1, n represents the slope of the line with the equation y = f–
(^1) (x), and p represents the slope of a line that is perpendicular to the
line with the equation y = f(x), then np =
(A) –9
(B)
(C)
(D) 9
(E) It cannot be determined from the information given.49 . The parabola with the equation
has how many points with (x, y) coordinates that are
both positive integers?(A) 3
(B) 4
(C) 7
(D) 8
(E) Infinitely many