Let f be continuous on R. Assume that f(1) = -1 = 5f(4) and f(3) =...

 

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Let f be continuous on R. Assume that f(1) = -1 = 5f(4) and f(3) = 7. How many real numbers r are there such that f(x) = 0 ? 1 (b) 2 (c) 3 (d) infinitely many (e) none of these Let f be continuous on R. Assume that f(1) = -1 = 5f(4) and f(3) = 7. How many real numbers r are there such that f(x) = 0 ? 1 (b) 2 (c) 3 (d) infinitely many (e) none of these