What is 678x +862379x^2 = ?? hello people i just wanted to say hi :)
thats all (oh and a bunch of free poits)
and how has yalls day been going?? :D

The input to the function is x and the output is y. write the function such that x can be a vector (use element-by-element operations). a) use the function to calculate y(-1.5) and y(5). b) use the function to make a plot of the function y(x) for -2 ≤ x ≤ 6.