Bob owns a watch repair shop. He has found that the cost of operating his shop is given by $c(x)=2 x^{2}-184 x+79$, where $x$ is the number of watches repaired. How many watches must he repair to have the lowest cost?
A) 39 watches
B) 79 watches
C) 20 watches
D) 46 watches

Question

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The Answer of Bob owns a watch repair shop. He has found that the cost of operating his shop is given by $c(x)=2 x^{2}-184 x+79$, where $x$ is the number of watches repaired. How many watches must he repair to have the lowest cost?
A) 39 watches
B) 79 watches
C) 20 watches
D) 46 watches

Bob Owns a Watch Repair Shop c(x)=2x2−184x+79c(x)=2 x^{2}-184 x+79c(x)=2x2−184x+79 , Where xxx

Bob Owns a Watch Repair Shop $c(x)=2 x^{2}-184 x+79$ , Where $x$