f(x)=x+10/x^2-x-6 domain of the function
David invests £4500 for 6 years
His investment pays compound interest of x% per annum
At the end of the 6 years, David's investm...
(1+70.997595/100)^9
(1+70.997595/100)^3
25=(1+r/100)^9
6n^2 -51n+360=0 find n
(1,792+10^5)^0,5+ (7,01)^1/3+0,664
4x^2+11x-4x^2+28=49
5=(1+r/100)^3
