Math Problem Statement

saat harga Rp.5000, jumlah produk yang terjual sebanyak 40 unit. Ketika harga naik sebesar 20%, jumlah permintaan turun sebesar 25%. Tentukan fungsi permintaannya!

Solution

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Math Problem Analysis

Mathematical Concepts

Algebra
Linear Equations
Economics - Demand Function

Formulas

Linear demand function Q = a - bP
Slope formula b = (Q2 - Q1) / (P2 - P1)
Intercept calculation a = Q + bP

Theorems

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Suitable Grade Level

Grades 10-12