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exponential function
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MHF4U
Ontario
12th
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f(x) = bˣ --> variable in exponent, base is a + number that isn't 1
inverse
f⁻¹(x)
logarithm
the value of the exponent to which a given base must be raised
common logarithm
no base given, assumed 10 as a base --> log₁₀x = logx