Question: Que2 (a) Differentiate f(x) = (x-+1)(x3 -3) (2x+5) (5) (b) Evaluate: lim 1X+1-1 (4) (c) Find dy dx if y=u tu- +5 and 1= x2

Que2 (a) Differentiate f(x) = (x-+1)(x3 -3) (2x+5) (5) (b) Evaluate:

Que2 (a) Differentiate f(x) = (x-+1)(x3 -3) (2x+5) (5) (b) Evaluate: lim 1X+1-1 (4) (c) Find dy dx if y=u tu- +5 and 1= x2 -1. (3) (d) A toy manufacturer has fixed costs of $3000 and variable costs of $2 per toy. Selling price of toys is $10 a piece. (i) How many toys may be produced at a cost of $5000? (ii) Determine the revenue generated by 8000 toys. NEE (lil) If the revenue from the production and sale of some toys is $7000, what is the corresponding profit

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