11. Given a polynomial P(x) = x³-4x²-5x is one of the zeroes. a) Factorise P(x) completely b) Sketch the graph of P(x) C)Find the domain and range.

Question

asked Mar 16, 2021 36.3k views

2 Answers

Mapedd · Answer 1 · 2021-03-17T09:19:36+0000

Answer:

Explanation:

P(x)=x³-4x²-5x=x(x²-4x-5)

=x(x²-5x+x-5)

=x[x(x-5)+1(x-5)]

=x(x-5)(x+1)

domain (-∞,∞)

range: (-∞,∞)