What is the domain of the function shown in the graph below?

Domain: x<=8

Step-by-step explanation:

Domain is all the x's on a graph or all the x's that can go into an equation if you're given an equation. This graph only exists from x=8 and lower (to the left). x can be 8 and anything less than 8.

In set notation it looks like this:

{x | x<=8}

OR in interval notation:

(-infinitysymbol,8]

c.35

step-by-step explanation:

8+13=21

21+8=29

29+6=35

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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rauschg

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step-by-step explanation: