3 folders cost $2.91.
Which equation would help determine the cost of 2 folders?

What can you determine about the solutions of this system

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.

30 ! the graph shows the number of siblings different students have. select from the drop-down menus to correctly complete the statement.