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Math

Math Snap

PROBLEM

Find the intervals where production of xx units of wire breaks even, given C=55x+450C=55x+450 and R=80xR=80x.

STEP 1

Assumptions1. The cost function is C=55x+450C=55x+450
. The revenue function is R=80xR=80x
3. To break even, the revenue must be equal to or greater than the cost

STEP 2

First, we need to find the break-even point. This is where the cost equals the revenue.
C=RC = R

STEP 3

Now, plug in the given functions for the cost and revenue to find the break-even point.
55x+450=80x55x +450 =80x

STEP 4

Rearrange the equation to isolate xx on one side.
80x55x=45080x -55x =450

STEP 5

implify the equation to find the value of xx.
25x=45025x =450

STEP 6

Divide both sides by25 to solve for xx.
x=45025x = \frac{450}{25}

STEP 7

Calculate the value of xx.
x=45025=18x = \frac{450}{25} =18

SOLUTION

So, the product will at least break even when x18x \geq18. Therefore, the interval is [18,)[18, \infty).
The product will at least break even when18 or more units are produced.

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