Question

Dada a função g: R- R/g(x)=X²-2x, calcule:
a) g(0)=

b) g (-7)=

c) g( raíz de 13)=

Answer 1

a) g(0)= 0²-2×0

g(0)=0

b) g(-7)= (-7)²-2×(-7)

g(-7)= 48+14

g(-7)= 62

c) g(√13)= √13²-2×√13

g(√13)= 13- 2√13