exam Maths Puzzle Numerical Ability

I've been giving the following problem:

If 2f(x)+f(1-x)=x^2 find f(x)

The answer was given as:

1/3x^2+2/3x-1/3

I need to know how this answer came about. I have two

Read Solution (Total 0)

exam Other Question

given the following polynomials, perform the indicated operations


p(x)=6x^3 - x^2 + 5x +2

q(x) = 2x^3 + 5x^2-7x-3



determine p(x) + q(x)


determine q(x) - p(x) Thanks!!!!!!
both sides of a parallelogram measure 8cm and 10 cm between them and form an angle of 120 degrees. calculate the lenght of their diagonal