Wat is f (x) = int x - 3 als f (2) = 3?

Wat is f (x) = int x - 3 als f (2) = 3?
Anonim

Antwoord:

#f (x) = (x ^ 2) / 2-3 x + 7 #

Uitleg:

#f (x) = intx-3 dx #

# = (X ^ 2) / 2-3 x + c #

Subbing in 2, #f (2) = ((2) ^ 2) / 2-3 (2) + c = 6/2 + c = -4 + c #

Sinds #f (2) = 3 #, # -4 + c = 3 #

C = # 7 #

#:. f (x) = (x ^ 2) / 2-3 x + 7 #