Item 14 you develop an app to students complete their homework. to earn money, you sell advertising space on the app’s main screen. an advertiser pays you $20 per month and an additional $0.005 each time the app is opened. graph the linear equation that represents your monthly income y (in dollars) when the app is opened x times.

See attached diagram

Step-by-step explanation:

Let x be the number of times the app is opened and y be your monthly income (in dollars).

If an advertiser pays you  $0.005 each time the app is opened, then he pays you $0.005x for all times the app is opened. Since an advertiser pays you $20 per month, then the total income is

y=20+0.005x.

Plot this line on the coordinate plane (see attached diagram).

answer: a video game has three difficulty levels: easy, medium, and expert. the game's scoring works in such a way that a player has to score a fixed number of points to advance to the next level, and then the scoring starts over. the total score needed to clear all three difficulty levels is 7,500. two times the number of points needed to clear the easy level is 500 more than the number of points needed to clear the medium level. twice the number of points needed to clear the medium difficulty level is 1,500 more than the number of points needed to clear the expert level. if x, y, and z represent the easy, medium, and expert levels, respectively, and a is the coefficient matrix of the system of equations modeling this situation, identify the inverse matrix, a-1, and the solution matrix, x, of the system of equations.

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step-by-step explanation: