If the domain of definition of function f (x) is r, for any real number a B, f (a + b) = f (a) * f (b), Let f (1) = k find f (10)
f(1+1)=f(1)*f(1)
f(2)=k²
f(2+2)=f2)*f(2)
f(4)=k^4
f(4+1)=f(4)*f(1)
f(5)=k^5
f(5+5)=f(5)*f(5)
So f (10) = k ^ 10
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