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18. If f(x) =-x -1 and (f+ 9)(x) = x/ + 2, which of the following represents g(x)? (a)x'+3 ( b)*+ 2 (Ox+x +3 Mark
18. If f(x) =-x -1 and (f+ 9)(x) = x/ + 2, which of the following represents g(x)? (a)x'+3 ( b)*+ 2 (Ox+x +3 Mark Value: 3 e Sketch a graph of the following rational function: 19. f ( x ) = x (2x - 1) 3 ( x + 2) (x - 1) Include the following details in your graph: (a) X-intercept(s) and y-intercept(s) (b) Vertical asymptote(s) and any holes (c) Horizontal/oblique asymptote(s) (d) End behaviour around vertical asymptote(s)20. Consider the trigonometric function f(x) = -3 cos(4xx) - 8. State the following information concerning / (x): (a) Amplitude (b) Period (c) Phase shift (d) Maximum value (e) Minimum value Mark Value: 3
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