1.

Let f: R to Rbe a function satisfyingf(2-x) = f(2+x) and f(20 -x) = f(x) AA x in R . For this functions f. answer the following If f(0) =5 then the minimum possible number of values of x satisfying f(x)= 5 for x in [0,170]is

Answer»

21
12
11
22

Answer :C


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