Bonjour,
a) f : |----> x²-3
f(x) = x²-3
b) malo a raison car f(5) = 5²-3 = 25-3 = 22 et f(-5) = (-5)²-3 = 25 - 3 = 22
mais Jade a aussi raison car : f : 7 |------> 7² - 3 = 49 - 3 = 46
et f : 0 |----> 0² - 3 = -3
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Bonjour,
a) f : |----> x²-3
f(x) = x²-3
b) malo a raison car f(5) = 5²-3 = 25-3 = 22 et f(-5) = (-5)²-3 = 25 - 3 = 22
mais Jade a aussi raison car : f : 7 |------> 7² - 3 = 49 - 3 = 46
et f : 0 |----> 0² - 3 = -3