exam Maths Puzzle Numerical Ability

I'm stuck on a problem of dividing polynomials and was wanting some assistance.

{{{6x^3+x^2+0x+1/2x-1}}}
(6x^3 plus x^2 plus 0x plus 1. All of that, divided by 2x minus 1)

Read Solution (Total 0)

exam Other Question

survival information of patient who has an operation of a type of cancer:
Patient survial: 0-1 year 80%, 1-2 year 87.5%, 2-3 90%, 3-4y 90%
For a pt who has survived 1 year, what
y=1/2x-3.What is the slope?
I got an answer of -3
Is this correct?
Thank You!