Acandlemaker prices one set of scented candles at $10 and sells an average of 200 sets each week. he finds that when he reduces the price
by $1, he then sells 50 more candle sets each week. a function can be used to model the relationship between the candlemaker's weekly
revenue, r(x) after xone-dollar decreases in price.
r(x)
r(x)
6,000+
4,000+
6,000+
1,000+
2.000
2,000+
2,000
2,000+
-4,000
4,000
6,000+
-6,000
graph w
r(x)
graph x
r(x)
6,000+
1,000+
6,000+
1,000+
2,000+
2,000
-2,000+
2,000
1,000+
4,000
-6,000
6,000
graph y
graph z
this situation can be modeled by the equation y =
x +
x +
and by graph
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