Tutors Answer Your Questions about Polynomials-and-rational-expressions (FREE)
Question 607095: Hello Sir,
My age is 15 and I'm in 10th grade and this polynomial question has eaten days of me so please sir give me a hint to solve this , I'm not saying you to solve this but just give me a hint:-
Suppose f(x) is a poly. of degree 5 with leading coefficient 2009.Suppose further that f(1)=1,f(2)=3,f(3)=5,f(4)=7,f(5)=9. What is the value of f(6)?
Thank you.
Click here to see answer by lynnlo(4164) |
Question 607335: Essay; show all work. Consider that the age, x, of a unicorn in human equivalent years can be given by the formula f(x) = - 0.0021718x^4 + 0.027326x^3 – 0.3367x^2 + 12.46x + 2.914. When a unicorn is 2.5 years old, what is its age in human equivalent years? What about when it is 12 years old?
Click here to see answer by ewatrrr(10682)  |
Question 607334: Bob’s Barber Shop estimates their gross revenue for the second quarter to be given by the polynomial 8x^3 – x^2 – 2x + 4. The shop estimates their costs for that quarter to be given by x^2 – 4x + 7. For the second quarter, find and simplify a polynomial that will represent their profit. Note: Profit = Revenue - Costs.
please show work for better understanding. thanks!
Click here to see answer by solver91311(16897)  |
Question 607446: Show all work. The area of a rectangular swimming pool is given by 5x^2+31x+6ft^2 One side length of the pool is given by 5x + 1 feet. What is an algebraic expression for the other side length of the pool? Simplify this, and include correct units as part of your answer.
PLEASE HELP !!!!!
Click here to see answer by josmiceli(9686)  |
Question 607640: Can someone help me simplify this rational expression? X-2/x^2-4 + 2/x+2
First I look for the lcd, then I build up the fractions and get: x-2/(x+2)(x-2) + 2x-4/(x-2)(x+2) and the I am unclear what to do as the answe comes out to: 3/x+2 but I do not understand how they came up with that answer. Please help!
Click here to see answer by jsmallt9(3296) |
Question 607644: Can someone help me simplify this rational expression? X-2/x^2-4 + 2/x+2
First I look for the lcd, then I build up the fractions and get: x-2/(x+2)(x-2) + 2x-4/(x-2)(x+2) and the I am unclear what to do as the answe comes out to: 3/x+2 but I do not understand how they came up with that answer. Please help!
*accidentally double posted but the other post did not have my correct email. Sorry!
Click here to see answer by jim_thompson5910(28595) |
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Older solutions: 1..45, 46..90, 91..135, 136..180, 181..225, 226..270, 271..315, 316..360, 361..405, 406..450, 451..495, 496..540, 541..585, 586..630, 631..675, 676..720, 721..765, 766..810, 811..855, 856..900, 901..945, 946..990, 991..1035, 1036..1080, 1081..1125, 1126..1170, 1171..1215, 1216..1260, 1261..1305, 1306..1350, 1351..1395, 1396..1440, 1441..1485, 1486..1530, 1531..1575, 1576..1620, 1621..1665, 1666..1710, 1711..1755, 1756..1800, 1801..1845, 1846..1890, 1891..1935, 1936..1980, 1981..2025, 2026..2070, 2071..2115, 2116..2160, 2161..2205, 2206..2250, 2251..2295, 2296..2340, 2341..2385, 2386..2430, 2431..2475, 2476..2520, 2521..2565, 2566..2610, 2611..2655, 2656..2700, 2701..2745, 2746..2790, 2791..2835, 2836..2880, 2881..2925, 2926..2970, 2971..3015, 3016..3060, 3061..3105, 3106..3150, 3151..3195, 3196..3240, 3241..3285, 3286..3330, 3331..3375, 3376..3420, 3421..3465, 3466..3510, 3511..3555, 3556..3600, 3601..3645, 3646..3690, 3691..3735, 3736..3780, 3781..3825, 3826..3870, 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