Please help me, l'm falling in math class​

Which property is illustrated by the following statement? if hxa rgi, then rgi hxa.

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.

If a company produces x units of an item at a cost of $35 apiece the function c=35x is a of the total production costs