Find the rate if the principal is $900, the time is 3 years, and the interest is $135. a) 5% b) 7.5% c) 15% d) 20%

i dont know i just need points

answer: domain and range mean all possible values of x and y that could be substituted to the inequality. a solution means all possible values that make the inequality statement true. so while the range is still all real numbers, the solution is the shaded area, for which y will always be greater than the line of the function.