Discover Questions

How can we find the range of the of this function; f(x)=2x^2+4x+7? Find the equation of the line which:
has a gradient of 3 and passes through the point (1, 8)? What is the average time to walk 0.7 miles? Calculate the energy in joules of a photon of red light that has a frequency of 4.0x10^14 hz? What is a wave cyclone and how does it develop?