Matematika Sekolah Dasar Q.

diket:f(x) = 2x-5
G(x) = 4x+7
ditanya : (fog)—¹ (x)

Q.

diket:f(x) = 2x-5
G(x) = 4x+7
ditanya : (fog)—¹ (x)

(fog)(x)

= 2(4x + 7) - 5

= 8x + 14 - 5

= 8x + 9

(fog)-¹(x)

= x - b/a

= (x - 9)/8

= ⅛x - 9/8

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