Exam-style question
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Which function is logarithmic?.
- A.y = 2x
- B.y = 2x²
- C.y = 2ˣ
- D.y = log₁₀ x
Model answer
What a good answer should say
- y = log₁₀ x
Explanation
Why this works
A function involving a logarithm, such as log₁₀ x, is a logarithmic function.
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