The Intermediate Value Theorem guarantees that there is a value c such that for 0≤c≤1 and f(0)≤k≤f(1), if f(1)≥f(0), and f(0)≥k≥f(1) if f(1)<f(0)."
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http://www.jiskha.com/display.cgi?id=1297024569
Consider the function f(x)=4x3+2x2+5, and let c be a number in the interval [01]. For what values of k is there a c in this interval such that ?
2 answers
show that f satisfies the hypotheses of Rolle's theorem on [a,b],and find all number c in (a,b) such that f '(c)=0. f(x)=cos2x+2cosx ; [0,2(180)]