Question

dada a funcao h(x)=x²-x, determine h(5)+h(1/2)

Answer 1

h(5)= (5)^2 - 5           
h(5)= 25 - 5 
h(5)=20

h(1/2) = (1/2)^2 - 1/2
h(1/2) = 1/4 - 1/2
h(1/2) =  - 1/4

logo h(5) + (1/2)
        20 +