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
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