4) a) Find the limits of the following questions. (i) (ii) lim 1-2x x → 0 lim 5x 3 x → ∞ 7x³ + 8x2 (iii) lim x → 0 (iv) lim x 3 √16+ x - √16 x 2x² - 6x x-3 b) Is the function below, continuous as x tends to 5? f(x) = (2x - 6 (x²-3x x < 5 x 25 c) By trial and error, determine one value of x at which the function f(x) in part b) above is continuous. d) For what value of ß is the function C(q) = {B S Bq², continuous at q=2? 9≤2 9>2 00

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