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Decreased performance in the beginning but gradual improvement is indicated by /

Medium PPSC Past Papers PPSC PAST PAPERS FPSC

Question

Decreased performance in the beginning but gradual improvement is indicated by /

A Concave graph B Convex graph C Both D None

Explanation

Explanation
A graph is said to be concave up at a point if the tangent line to the graph at that point lies below the graph in the vicinity of the point and concave down at a point if the tangent line lies above the graph in the vicinity of the point.

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