I need Urgent help on this please !!

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.

What number line represents the solution set for the inequality -1/2 greater than or equal to 4

Eden has a part time job. she is paid ? 7.20 an hour the week she worked 18 and a half hours how much is she paid