exam Maths Puzzle Numerical Ability

Can someone help me on this graph? I noted up above the book and page number the problem is on. I have never done this before and I am lost.

The question for problem 23 is I n

Read Solution (Total 0)

exam Other Question

Find the value(s) of x for which f(x)=g(x)
f(x)=x"squared"+10x-14, g(x)=9x-8

so far i have:
x"squared"+10x-14=9x-8 Thomas is going to make an open-tpo box by cutting equal suqres from the four corners of an 11 inch by 14 inch sheet of cardboard and folding up the sides. If the base is to be 80 square inches, then what size suqare should be cut from each corner?