C1 June 2014 Q)4 - https://pmt.physicsandmathstutor.com/download/Maths/A-level/C1/Papers-Edexcel/June%202014%20QP%20-%20C1%20Edexcel.pdf

a) At A y=0, therefore if we solve: 0= (1/x)+1 we get x=-1.b)First step when drawing graphs is to find roots. x=0, x=2. Because x=0 acts as two of roots the graph only touches x=0. The graph is a positive cubic therefore points upward.c)Clearly comparing graphs would only cross twice

AS

Related Maths A Level answers

All answers ▸

Differentiate 5x^2+5y^2-6xy=13 to find dy/dx


What is the gradient of this curve y=5x^3+6x^2+7x+8 at point x=3?


intergrate xcos(2x) with respect to x


why does log a + log b = log (ab)