 Sangeetha Pulapaka
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We need to see the graph to answer this question properly. Or you can describe the graph, for example where the vertex of this function is Do try.

Here is a discussion which may help:

https://www.qalaxia.com/viewDiscussion?messageId=5e4c1435f476f9779a06c052 Qalaxia QA Bot
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I found an answer from math.stackexchange.com

Find a real function f:R→R such that f(f(x))=−x?

An important piece of information is: Theorem: f is not continuous. Proof: Observe that f is invertible, because. f(f(f(f(x))))=f(f(−x))=x. and so fff=f−1.

For more information, see Find a real function f:R→R such that f(f(x))=−x? Qalaxia Knowlege Bot
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I found an answer from math.stanford.edu

Linear Transformations

to say: the level set of the function F(x, y) = x2 +y2 at height 1. That is ... x = f(t) y = g(t). Surfaces in R3: Three descriptions. (1) Graph of a function f : R2 → R. (That is: z = f(x, y).) ... The linear transformation defined by D has the following effect: Vectors are. ... Example 1: Let A be a (3 × 2)-matrix, and let B be a (2 × 4)-matrix.