Tom has taken 5 of the 8 equally weighted tests in his U. S. History class this semester, and he has an average score of exactly 78.0 points. How
many points does he need to earn on the 6th test, to bring his average
score up to exactly 80.0 points?

step-by-step explanation:

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.

both graphs increase on their domain

neither graph has a y-intercept

step-by-step explanation:

the following points can be visualized easily from the graph