Find real zero of polynomial function-descartes rule of sign
Use Descartes rule of signs and Rational Zeroes Theorem to determine all real zeros of polynomial function. Secondly, utilizing zeroes you found factor polynomial.
A.f(x)= x^3 + 8x^2 = 11x - 20
B. f(x)= 4x^5 12x^4 - x - 3
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Stopping distance D of the car after brakes have been applied differs directly as square of speed s. Certain car traveling 50 mi/hr can stop in 240 ft. Find maximum speed it can be traveling if it requires to stop in 160 ft?
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