Bonjour,
a. f (x) = - 2,5x
f (2) = - 2,5 * 2
f (2) = - 5
f (- 5) = - 2,5 * (- 5)
f (- 5) = 12,5
b. g (4) = 7
g (x) = 7/4x
g (8) = 7/4 * 8
g (8) = 56/4
g (8) = 14
g (- 4) = 7/4 * (- 4)
g (4) = - 7
c. h (6) = 3
h (x) = 3/6
h (x) = 1/2x.
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Bonjour,
a. f (x) = - 2,5x
f (2) = - 2,5 * 2
f (2) = - 5
f (- 5) = - 2,5 * (- 5)
f (- 5) = 12,5
b. g (4) = 7
g (x) = 7/4x
g (8) = 7/4 * 8
g (8) = 56/4
g (8) = 14
g (- 4) = 7/4 * (- 4)
g (4) = - 7
c. h (6) = 3
h (x) = 3/6
h (x) = 1/2x.