Which graph shows the solution set of the inequality 2.9(x+8) <26.1?
2 answers:
9514 1404 393
Answer:
D
Step-by-step explanation:
The inequality symbol is < (not ≤), which means the end point of the graph will be an open circle.
After dividing by the coefficient of x, you have an inequality of the form ...
x +( ) < ( )
which means <em>the solution will be left of the (open circle) end point</em> of the graph. Only one graph has that form.
__
If you actually work through the numbers, you get ...
x +8 < 9 . . . . . . divide both sides by 2.9
x < 1 . . . . . . . . . subtract 8 from both sides
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