Question

URGENTE É PRA HOJE AS 16:00




9) Se f(x) = x² +1/5, então f(2/5) é igual a: *

3/5

9/5

9/25

N.D.a

Answer 1

f (2/5) = (2/5)^2 + (1/5)

f (2/5) = (4/25) + (1/5)

f (2/5) = (4 + 5)/25

f (2/5) = 9/25