Question

Dada a função F(x)=y=x2-x, com xEr e ER calcule: F(1)+3f(-1)-5f(3)+f(0)

Answer 1

f(x) = y = x²-x

f(1) = 1²-1 = 1-1 = 0

f(-1) = (-1)²-(-1) = 1+1 = 2

f(3) = 3²-3 = 9-3 = 6

f(0) = 0²-0 = 0

 

f(1) + 3f(-1) - 5f(3) + f(0) = 

0 + 3.2 - 5.6 + 0 = 

6 - 30 = -24