Question

1. f(x) = 5x + x² - x!
f(5)

2. Lim (10x + x² - x!)
x ➝ 5
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Answer 1

f(x) = 5x + x² - x!f(5) = 5(5) + 5² - 5!f(5) = 25 + 25 - 120f(5) = 50 - 120f(5) = -70Lim (10x + x²- x!)x = 5 10x + x² - x!10(5) + 5² - 5!(10 × 5) + (5 × 5) - (5 × 4 × 3 × 2 × 1)50 + 25 - 12075 - 120= -45