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Questions  

If f(x+y)=f(x) f(y) for all x and y if f(1)=2, then area enclosed by 3|x|+2|y|8 is

a
f(5) sq. units
b
f(6) sq. units
c
⅓ f(6) sq. units
d
f(4) sq. units

detailed solution

Correct option is C

Enclosed Area ABCD = 4 Area AOB=4×12×83×4=643 sq. units  ∴f(n)=2nrequired area =13f(6)

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