What is the vertex of y=2x^2-8x+3?
for graphing quadratics in standard form

Asocial networking site currently has 400,000 active members, and that figure is predicted to increase by 32% each year. the following expression represents the number of active members on the site after t years.

Find dy/dx using implicit differentiation ln(20+e^xy)=y

If the measure of angle 1 is 110 degrees and the measure of angle 3 is (2 x+10 degree), what is the value of x?