When is graphing a system of equations a good method to determine a solution?
a. when the numbers are easy to graph
b. when an exact solution is needed
c. when one variable can be easily isolated
d. when the coefficients of like terms are
multiples

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.

Organic apples are on special for $1.50 per pound. does total cost vary inversely or directly with the number of pounds purchased? find the cost of 3.4 pounds of apples. a. inversely: $5.10 b. directly; $5.10 c. inversely: $2.27 d. directly; $2.27

Agallon of apple juice cost $7 a pack of eight 4.23oz box of apple juice $2.39 which is a better deal