Solve the equation by graphing to determine how many years have passed since the computer was purchased. Round to the nearest whole year.

step-by-step explanation:

ok so im not 100% sure but you would start by adding 5.1t and 1.9t beacuse they have the same variable. that is 7t.   then add -3.6 + 1.2 which is -2.4

so then keep that as -2.4 + 7t. i apologize if this is incorrect. best luck on your test < 3

range is infinite on both x and y axis positive and negative

step-by-step explanation:

the function makes a strait line horizontally with no x intercept but a y intercept at 9.