Point A lies on the curve y= x^2 + 5x + 8 The x-coordinate of A is -4
The equation of the normal to the curve at A is 3y = x + 16.
The normal at A also intersects the curve at B.
Work out the x-coordinate of B.

Onnie is considering doing some long term investing with money that she inherited. she would like to have $50,000 at the end of 30 years. approximately how much money would lonnie need to put into an account earning 6% interest compounded annually in order to meet her goal?