Question: Time Let f (x) = - 4x-2 3 x + 1 a) Show that f is one-to-one. (4 marks) b) Find the inverse function f

Time Let f (x) = - 4x-2 3 x + 1 a) Show that f is one-to-one. (4 marks) b) Find the inverse function f (4 marks) c) Find the domain of f and write

it in interval notation. (2 marks) A B T U S X2

X2 E I O C > # AUG 8 tvEvaluate the following

Time Let f (x) = - 4x-2 3 x + 1 a) Show that f is one-to-one. (4 marks) b) Find the inverse function f (4 marks) c) Find the domain of f and write it in interval notation. (2 marks) A B T U S X2 X2 E I O C > # AUG 8 tvEvaluate the following limits, giving exact values where possible. If the limit does not exist, explain why. a) lim COS X (5 marks) b) lim V4x2+x-7-2x x-7 (5 marks) X -+7 c) lim 5x2-6x4 X->0 3x4+x2-2x (5 marks) A v B U S X2 X2 Ff v C 68 86 # AUG 8 tv W MacBook Airx2+1 X # AUG tv 8 N

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