👤

Sagot :

VINS

bonjour

f (5) = 3 et  f ( 12 ) = 1

( 1 - 3 ) / ( 12 - 5 ) = - 2 /7

ax = - 2 x /7

f ( 5) = 3

5 * - 2/7 + b = 3

b = 3 + 10/7 = 31/7

f( x) = - 2 x /7 + 31 /7

d'où  f ( 12) = 12 * - 2/7 + 31/7 = - 24/7 + 31/7 = 7/7 = - 1

Other Questions

© 2024 IDNLearn. All rights reserved.