Math Problem Statement

Diketahui f(x) = x + 5, g(x) = 4x - 3, dan h(x) = 2x + 1. Pernyataan berikut yang benar adalah

A. (F¹og¯¹ h¯¹)(x) = x45

B. (¹¹g)(x) = 41 C. (g¹¹ h¯¹)(x) = 5

D. (gh¹ f')(x) = x12

E. (h.gr')(x) = x

Solution

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Math Problem Analysis

Mathematical Concepts

Algebra
Functions
Inverse Functions
Composition of Functions

Formulas

Inverse of f(x) = x + 5 is f⁻¹(x) = x - 5
Inverse of g(x) = 4x - 3 is g⁻¹(x) = (x + 3) / 4
Inverse of h(x) = 2x + 1 is h⁻¹(x) = (x - 1) / 2
Composition of functions: (f ∘ g)(x) = f(g(x))

Theorems

Inverse Function Theorem
Composition of Functions

Suitable Grade Level

Grades 10-12