Problem preview
F-BF.3 Warmup M1-018-A03-V01

Analyze graph transformations caused by f(x)+k, kf(x), f(kx), and f(x+k); identify even/odd functions.

Describe a vertical scale or reflection

Problem

Describe the vertical scale/reflection from \(f(x)\) to \(3f(x)\).

Big Picture

What this problem is really about

A multiplier outside the function acts on every output while leaving each input fixed. We’ll write the coordinate mapping, compare corresponding points on the parent and transformed graphs, and use the multiplier’s magnitude to classify the vertical scale. Its sign supplies a separate reflection test, preventing scale and reflection from being conflated.

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Four variants of this problem type
Curriculum context
Course
Math I
Standard
F-BF.3
Category
Functions
Domain
Building Functions
Objective
Analyze graph transformations caused by f(x)+k, kf(x), f(kx), and f(x+k); identify even/odd functions.
Problem type
Describe a vertical scale or reflection