Penjelasan dengan langkah-langkah:
(f - g)(x) = f(x) - g(x)
= (x + 3) - (x² - 9)
= -x² + x + 12
(f × g)(x)= f(x) × g(x)
= (x + 3) × (x² - 9)
= x³ - 9x + 3x² - 27
= x³ + 3x² - 9x - 27
(f/g)(x)= f(x)/g(x)
= (x + 3)/(x² - 9)
= (x + 3)/((x + 3)(x - 3))
= 1/(x - 3)
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Penjelasan dengan langkah-langkah:
(f - g)(x) = f(x) - g(x)
= (x + 3) - (x² - 9)
= -x² + x + 12
(f × g)(x)= f(x) × g(x)
= (x + 3) × (x² - 9)
= x³ - 9x + 3x² - 27
= x³ + 3x² - 9x - 27
(f/g)(x)= f(x)/g(x)
= (x + 3)/(x² - 9)
= (x + 3)/((x + 3)(x - 3))
= 1/(x - 3)