An owner of a key ring manufacturing company found that the profit earned(in thousands of dollar) per day selling n number of key rings is given by n^2-2n-3, where n is the number of key ring in thouand .

the 4th choice is the correct one

step-by-step explanation:

answer: b.36 feet

step-by-step explanation:

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the correct answer is b.

this is because an open circle means < or > & since the line goes left it is < -3.

the next one has a filled circle so it can only be ≥ or ≤ and since the line goes right from 1 it is ≥ 1

hope that