Question

Dada a funcao exponencial f(x)=5 elevado a x-3. Determine f(5)-f(3)

Answer 1

f(x) = 5^(x - 3)

f(5) = 5^(5 - 3) = 5^2 = 25


f(3) = 5(3 - 3) = 5^0 = 1


f(5) - f(3) = 25 - 1 = 24