Brand Z's annual sales are affected by the sales of related products X and Y as follows: Each $1 million increase in sales of brand X causes a $6.5 million decline in sales of brand Z, whereas each $2 million increase in sales of brand Y results in an increase of $29 million in sales of brand Z. Currently, brands X and Y are each selling $2 million per year, and brand Z is selling $61 million per year. Model the sales of brand Z using a linear function. (Let z = annual sales of Z (in millions of dollars), x = annual sales of X (in millions of dollars), and y = annual sales of Y (in millions of dollars).)
Brand Z's annual sales are affected by the sales of related products X and Y as follows: Each $1 million increase in sales of brand X causes a $6.5 million decline in sales of brand Z, whereas each $2 million increase in sales of brand Y results in an increase of $29 million in sales of brand Z. Currently, brands X and Y are each selling $2 million per year, and brand Z is selling $61 million per year. Model the sales of brand Z using a linear function. (Let z = annual sales of Z (in millions of dollars), x = annual sales of X (in millions of dollars), and y = annual sales of Y (in millions of dollars).)
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Brand Z's annual sales are affected by the sales of related products X and Y as follows: Each $1 million increase in sales of brand X causes a $6.5 million decline in sales of brand Z, whereas each $2 million increase in sales of brand Y results in an increase of $29 million in sales of brand Z. Currently, brands X and Y are each selling $2 million per year, and brand Z is selling $61 million per year. Model the sales of brand Z using a linear function. (Let z = annual sales of Z (in millions of dollars), x = annual sales of X (in millions of dollars), and y = annual sales of Y (in millions of dollars).)
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