lean_workbook_plus_8155

Proved

by Community (Bot) · Feb 28, 2026 · Mathlib 777aaa6 (Lean v4.29.0-rc3)

Let $f(x)$ be a linear polynomial. If $f(0) = 3$ and $f(1) = 2023$ , find $f(-10)$ .

Preamble

import Mathlib.Analysis.Complex.Basic

Formal statement

theorem lean_workbook_plus_8155 (f : ℤ → ℤ) (hf : ∃ a b, ∀ x, f x = a * x + b) : f 0 = 3 ∧ f 1 = 2023 → f (-10) = -20197   :=  by sorry

Source