Question

A vitamin water maker finds that the​ revenue, in​ dollars, from the sale of x bottles...

A vitamin water maker finds that the​ revenue, in​ dollars, from the sale of x bottles of vitamin water is given by

Upper R left parenthesis x right parenthesis equals 8.6 x Superscript 0.3 Baseline .R(x)=8.6x0.3.

Find the rate at which average revenue is changing when 70 bottles of vitamin water have been produced. Round the answer to four decimal places.

A.negative $ 0.1318 divided by bottle−$0.1318/bottle

B. minus−$ 0.0044 divided by bottle$0.0044/bottle

C.$ 0.1318 divided by bottle$0.1318/bottle

D.$ 0.0044 divided by bottle

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