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2 answers:
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Answer:
the function that models the total inventory costs as a function of x is;
$( + (
)x )
Step-by-step explanation:
Given the data in the question;
cost of storing the shoes ( Holding cost ) = $ 3 per year
ordering cost ( Co ) fixed = $ 25 per order
cost of each pair = $ 5 per shoe pair
Total demand = 4500 shoe pairs
Total Inventory cost = Holding cost Ordering cost
so
Total Inventory cost = ( $ 25) +
× $3 × x
Total Inventory cost = $( + (
)x )
Total Inventory cost = $( + (
)x )
Therefore, the function that models the total inventory costs as a function of x is; $( + (
)x )
<h3>Answer:</h3>
a, e
<h3>Explanation:</h3>If any of the terms has a variable with an exponent other than 1 or 0, or has a sum of variable exponents other than 1, the term is non-linear and the relation is not a linear relation.
a: the term xy has a sum of exponents of 1+1=2, so is not a linear term.
e: the term x² has an exponent other than 0 or 1, so is not a linear term.
In the attached graph, the non-linear relations are shown graphed in black. The remaining relations are all linear.
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<em>Comment on linear function</em>
By one definition, a linear function is one that is of the form
... f(x) = ax + b
Here, an equation such as <em>y = x + 2y</em> can be put in that form, but it is <em>not</em> in that form as presented. Yes, the graph is of a straight line, but you would have a hard time identifying independent and dependent variables from the equation as given.