Answer:
A. The first graph
Step-by-step explanation:
When you graph these two equations on a graphing calc, you should be able to see one dotted line and one solid, as well as the solutions being mostly in the 1st quadrant.
9
[1/2]^-1 +[1/3]^-1 +[1/4]^-1=9
53.9 Kilograms of sugar in 7 hours
7*7.7=53.9
Anything above 2.
It isn't 2 because 3x2=6+1=7, and we need a number greater than 7.
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hope it helps
