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dexar [7]
3 years ago
8

Solve for x under the assumption that x < 0. Select the correct graph!

Mathematics
1 answer:
bixtya [17]3 years ago
7 0
X-5/x<4
times both sides by x
x²-5<4x
minus 4x both sides
x²-4x-5<0
factor
(x-5)(x+1)<0
hmm
special points at x=-1 and x=5
when x=-2, we get 10<0 which is false
when x=0, we get -5<0 which is true
when x=6, we get 7<0 which is false
so the solution must be the range between -1 and 5

so if x<0
whaat

just pick the 3rd grah


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