Respostas

2014-05-04T19:47:02-03:00
F(x)= x^4-5x²+4 ; x=0
f(0)= 0^4-5.0²+4
f(0)=0-0+4
f(0)=4

f(x)= x^4-5x²+4 ; x=2
f(2)= 2^4-5.2²+4
f(2)=16-5.4+4
f(2)= -4+4
f(2)= 0