MATH 110 How many pairs of sunglasses must be sold

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MATH 110 How many pairs of sunglasses must be sold

The revenue R received by a company selling xpairs of sunglasses per week is given by the function Upper R left parenthesis x right parenthesis equals negative 0.1 x squared plus 30 xR(x)=−0.1×2+30x.(a) Find the values ofR(12)and R(55).left parenthesis b right parenthesis How(b)How

many pairs of sunglasses must be sold in order for the revenue to be $ 2000per week? (c) How many pairs of sunglasses must be sold in order for revenue to be $ 2250

per week?