Advertising and Sales The monthly sales volumey (in thousands of dollars) of a product is related to monthly advertising expenditures x (in thousands ofdollars) according to the equationy = 400x/x + 20a. What monthly sales will result if $5000 is spentmonthly on advertising?b. What value of x makes the denominator of thisfunction 0? Will this ever happen in the context ofthis problem?
Unitary Method
The word “unitary” comes from the word “unit”, which means a single and complete entity. In this method, we find the value of a unit product from the given number of products, and then we solve for the other number of products.
Speed, Time, and Distance
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Profit and Loss
The amount earned or lost on the sale of one or more items is referred to as the profit or loss on that item.
Units and Measurements
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Advertising and Sales The monthly sales volume
y (in thousands of dollars) of a product is related to monthly advertising expenditures x (in thousands of
dollars) according to the equation
y = 400x/x + 20
a. What monthly sales will result if $5000 is spent
monthly on advertising?
b. What value of x makes the denominator of this
function 0? Will this ever happen in the context of
this problem?
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