Finite Math Examples

$C (x) = 27000 + 55 x + 0.2 x^{2}$ , $R (x) = 445 x - 0.8 x^{2}$

Step 1

Replace the function designators with the actual functions in $C (x) + R (x)$ .

$27000 + 55 x + 0.2 x^{2} + 445 x - 0.8 x^{2}$

Step 2

Simplify.

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Step 2.1

Add $55 x$ and $445 x$ .

$27000 + 0.2 x^{2} + 500 x - 0.8 x^{2}$

Step 2.2

Subtract $0.8 x^{2}$ from $0.2 x^{2}$ .

$27000 - 0.6 x^{2} + 500 x$