Discover Questions

A quadratic function f(x)=ax^2+bx+ c has a maximum point at (2,20) and cuts the y-axis at y=8. Find the values of a, b and c? Is D(x,y) to (4x,y) a dilation? And if it is, is it from the origin? I just started learning this, please help.? Was Fred Hoyle theory of the Universe that it always existed with continuous creation Right? 7.028x10^-10 seconds is how many femtoseconds? How do i find x using trigonometry?