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Introduction to exponential functions

Recognise and determine the effect of the parameters ℎ, 𝑘 and 𝑟 on the graph of 𝑦 = 𝑟(𝑥−ℎ) + 𝑘 (where 𝑟 > 0), with and without technology.

mm-u2-t1-s2-d2

Interactive

Parameters r, h, k on y = r^(x−h)+k

manipulative

Focus one parameter at a time on y = r^(x−h)+k against a ghost base — shift, lift, and steepness each do one job.

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