Jawab:
Penjelasan dengan langkah-langkah:
a. 19
b. 12
c. 5
a. 8.3 - 5 (x ganti 3)
= 24 - 5
= 19
b. x^2 - 3x - 20 (bisa memakai turunana)
= 2.x^2-1 - 3
= 2.x - 3
= 2.5 - 3
= 9
c. 3x^3 - 4x^2 + 3x - 5
= 3.3x^3-1 - 2.4x^2-1 + 3x^1-1
= 9x^2 - 8x + 3
= 9.2^2 - 8.2 + 3
= 36 - 16 + 3
= 23
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Jawab:
Penjelasan dengan langkah-langkah:
Jawab:
a. 19
b. 12
c. 5
Penjelasan dengan langkah-langkah:
a. 8.3 - 5 (x ganti 3)
= 24 - 5
= 19
b. x^2 - 3x - 20 (bisa memakai turunana)
= 2.x^2-1 - 3
= 2.x - 3
= 2.5 - 3
= 9
c. 3x^3 - 4x^2 + 3x - 5
= 3.3x^3-1 - 2.4x^2-1 + 3x^1-1
= 9x^2 - 8x + 3
= 9.2^2 - 8.2 + 3
= 36 - 16 + 3
= 23