when x < 0-x >0f(x) = f(-x)= a^(-x)f(x) = a^x ,x > 0= 1 ,x=0= a^(-x) ,x 0f(x) ≤4a^(x) ≤4x ≤ log(a) 4for x< 0f(x) ≤4a^(-x) ≤4-x ≤ log(a) 4ie -log(a) 4 ≤x≤ log(a) 4ie log(a) 4 = 24 = a^2a = 2...