Mathematics for IGCSE & O level - Graphs Of Functions (Section 2 - No. 47) | ExamPlay

Mathematics for IGCSE & O level - Graphs Of Functions (Section 2 - No. 47)

What type of function can never touch the x-axis?

Linear

Quadratic

Exponential

Reciprocal

Explanation

Reciprocal graphs approach the x-axis but never touch it.

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