Exam1 - CompLab Flashcard

# Exam1 - CompLab Flashcard - Cost Function C(x = Profit P(x...

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Cost Function: C(x) = mx + b o m is marginal cost (or slope) o b is fixed cost Total Revenue: R(x) = Price * Quantity Profit: P(x) = R(x) – C(x) o R(x) is Total Revenue o C(x) is Total Cost Solving Systems of Equation with Inverses: AX = B o A is the matrix of coefficients Quadratic Formula: =- ± - x b b2 4ac2a Product Property: logaxy = logax + logay Quotient Property: logaxy = logax logay Vertex of Parabola: (h, k) where h = - b2a and k = f(h)

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o X is the matrix of variables o B is the matrix of constants Power Prop: logaxy y logax Simple Interest: I = Prt o P is principal o r is rate of Future/Maturity Value for SI: A = P(1+rt) Present Value for SI: Compound Amount: A = P(1 + i) n o i = rm
interest o t is time in years P = + A1 rt o n = tm Effective Rate: r E = + - 1 rm m 1 Future Value of an Annuity (Sinking Fund): = + - S R1 in 1i o S is the future value o R is the payment o i is the interest rate/period o n is the

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number of periods Present Value of an Annuity (Amortization):
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Exam1 - CompLab Flashcard - Cost Function C(x = Profit P(x...

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