👤

Sagot :

AYUDA

f(3) = 7

f(5) = -1

f(4) = 1

f(11) = 25

f(-4) = 8

k(x) = 3x² + 1

k(-3) = 3*(-3)² + 1 = 27+1 = 28

k(-2) = 3*(-2)² + 1 = 12 + 1 = 13

etc

3x² + 1 = 13

3x² - 12 = 0

x² - 4 = 0

(x+2) (x-2) = 0

soit x = -2 soit x = 2

Other Questions

© 2024 IDNLearn. All rights reserved.