exam Maths Puzzle Numerical Ability

when a popular brand of CD player is priced at $300 per unit, a store sells 15 units per week. each time the price is reduced by $10, however, the sales increase by 2 per week. w

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exam Other Question

Find the indicated value of the polynomial. Match your result to the correct answer below. Round to the nearest tenth.

P(x) = –x3 + 4x2 – 2.1, P(–4.1)

If you could explain this to me I would appreciate it
can you please help me write this in simplest form?

x^2+6x-40/x^2-100