101 Western Dressage Exercises for Horse & Rider (Read & Ride)

101 Western Dressage Exercises for Horse & Rider (Read & Ride)

Matematika suatu fungsi ditentukan dengan rumus f(×) = a×+B jika fungsi f(4)=6 dan f(-2)=-9 tentukan rumus fungsi f

tolong bantu jawab
Jangan jawab asal​

suatu fungsi ditentukan dengan rumus f(×) = a×+B jika fungsi f(4)=6 dan f(-2)=-9 tentukan rumus fungsi f

tolong bantu jawab
Jangan jawab asal​

Jawaban:

f(x) = ax + b

f(4) = 4a + b = 6

f(-2) = -2a + b = -9

___________ _

6a = 15

a = 5/2

4a + b = 6

4(5/2) + b = 6

b = 6 - 10

b = -4

f(x) = 5/2(x) - 4

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