Having trouble answering this question

The sales totals at macy's food store have increased exponentially over the months. which of these best shows the sales in the first three months?

Which of the statements about the graph of the function y = 2x are true? check all of the boxes that apply. the domain is all real numbers x because the exponent of 2 can be any real number when the x-values increases by 1 unit, the y-value multiplies by 2. the y-intercept is (0, 1). the graph never goes below the x-axis because powers of 2 are never negative. the range is all real numbers.

Iknow its nothing to do with education, but what type of thing should i wrote here? ? : ) its for mcdonald's btw.