Mathematics for IGCSE & O level - Sketching Curves (Section 3 - No. 49)
Which of the following describes the characteristics of a graph that increases across all real numbers?
A linear graph with a negative gradient
A quadratic graph opening downwards
An exponential graph with a base greater than 1
A reciprocal graph
Explanation
An exponential graph with a base greater than 1 increases across all real numbers.
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