Question

Seja a função f R ➡ R
dada por fx= x²+1

Calcule:

A) f (1 )
B) f ( -1 )
C) f ( 2 )
D) f ( -2)
E) f (1/4)
F) f ( -1/4)

Answer 1

A) 1² + 1 = 2
B) -1² + 1 = 2
C) 2² + 1 = 5
D) -2² + 1 = 5
E) 1/4² + 1 = 1/16 +1 = 1+16/16 = 17/16
F) -1/4² + 1 = 1/16 +1 = 1+16/16 = 17/16