Question

How to determine whether a function is concave or convex?

Answer 1

If it is curved inwards,convex.

If it is curved outwards,concave.

Regards,
Adithiya

Answer 2

Answer:

Hey mate

To check whether the lens is convex or concave just check there shapes

Explanation:

If it is curved inwards then I will convex lens

but if it curved outwards it is concave lens

I hope you understand this answer

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