Mathematics - Functions - Introduction - Function notation - Evaluate Functions

12 problems. Given f(x) = 2x + 5 and g(x) = x² - 1: (1) f(3) = ? (2) f(-2) = ? (3) g(4) = ? (4) g(-3) = ? (5) f(0) = ? (6) g(0) = ? (7) f(a) = ? (8) g(2a) = ? (9) f(x+1) = ? (10) 'If f(x) = 11, find x.' (11) f(g(2)) = ? (12) g(f(1)) = ?. Each answer requires substituting and simplifying.

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Mathematics - Functions - Introduction - Function notation - Evaluate Functions
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Mathematics - Functions - Introduction - Function notation - Evaluate Functions

vivmagarwal
vivmagarwalJan 29, 2026

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12 problems. Given f(x) = 2x + 5 and g(x) = x² - 1: (1) f(3) = ? (2) f(-2) = ? (3) g(4) = ? (4) g(-3) = ? (5) f(0) = ? (6) g(0) = ? (7) f(a) = ? (8) g(2a) = ? (9) f(x+1) = ? (10) 'If f(x) = 11, find x.' (11) f(g(2)) = ? (12) g(f(1)) = ?. Each answer requires substituting and simplifying.

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MathematicsFunctions - IntroductionStage 9, Grade 8, Class 10, MYP Grade 9, Class 10

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