Question

If a function f(x) satisfies the relation 3f(x)-5f((2)/(x))=3-x+x^(2)AA x in R-{0} then the value of f(1) is equal to
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Answer 1

The function f satisfies the functional equation 3f(x)+2f(x+59x-1)=10x+30 for all real x≠1. The value of f(7)is 8 (b) 4 (c) -8 (d) 11.