Formula Sheet for the Final Exam 1. Circle: 222()()xhykr2. Parabola(Quadratic function): 222( )()or ( )where ,( ) or 24yf xa xhkbbf xaxbxchkf hcaa 3. Distanceformula: 222121()()dxxyy4. Quadratic formula: 242bbacxa For the following formulas: Sis future value, Pis present value, ris the annual interest rate, kis the number of compounding periods in a year, tis time in years, A is the amount of money, and R is the amount of payment; with the formula for the periodic interest rate rik. 5. Future Valueof an Investment with continuously compoundedinterest: rtSPe(The amount at the end of an investment when an amount Pis allowed to grow with interest compounded continuously.) 6. Future Valueof an Investment: (1)ktSPi(The amount at the end of an investment when an amount Pis allowed to grow.) 7. Present Valueof an Investment: )ktPSi(The amount that must be invested now to provide for a future value.)
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