Writhed the following in scientific notation 4025000

Aquadratic equation in standard from is written ax^2= bx+c, where a,b and c are real numbers and a is not zero?

If you double the input of a function and it results in half the output, and if you triple the input and it results in a third of the output, what can be guessed about the function? check all that apply.

Idon't get undoing if its pass adding and subtracting so can someone ? x-2 over 5 = 18