Lesson 2.2: Function Operations Answers

(p + q)(2) = ⇒ 1

(s – r)(x) = –x² + x – 1–x² + 5x – 1X x² + 5x + 1✔ x² – x + 1

r(x) = –x² + 3x s(x) = 2x + 1(s – r)(x) = X –x² + 3x – 2x + 1(–x² + 3x) – (2x + 1)✔ (2x + 1) – (–x² + 3x)2x + 1 – x² + 3x

3f(x) = 3x✔ 3x²X x² + 3

If the opposite of g(x) is –g(x), then –g(x) = –x – 6✔ –x + 6x + 6

Range of g + k: y >= 0✔ y >= -6All real numbers

Domain of g: X x >= 0x >= 6✔ All real numbers

Range of g: x >= 0X x >= 6✔ All real numbers

Domain of g + k: ✔ x >= 0x >= -6All real numbers

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⇒ 9

⇒ 0

Profit function: P(x) = 67x + 1267x – 1253x + 12✔ 53x – 12

What is the profit earned from selling 20 video games? ✔ $1048$1072$1352$1328

f(x) = x2 + 1 g(x) = 5 – x(f + g)(x) =

(f – g)(x) =