The correct option is option D: This is the graph of one to one function.
Function is a relationship between two sets X and Y where set X is domain and set Y is codomain.
If we draw a vertical line and it crosses the graph only once at all locations, the relation is a function and this relation will be one-one.
by checking all the options
Option A: If we draw a vertical line parallel to y-axis in this at any location then it crosses the graph only once. So it is a function with one-one relation. Therefore option A is incorrect.
Option B: Linear function is a function in which highest degree of variable is 1 and it also describes the straight line. From the graph, it is clear that it is not a straight line. Therefore option B is incorrect.
Option C: If we draw a vertical line parallel to y-axis in this at any location then it crosses the graph only once. So, it is surely a function. Therefore option C is incorrect.
Option D: If we draw a vertical line parallel to y-axis in this at any location then it crosses the graph only once. So, it is surely a one-one function. Therefore option D is correct.
The correct option is option D: This is the graph of one-to-one function.
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It would be approximately <span>2,719,980,000 beats in their entire lifetime.</span>
The graph is shown below
<h3>What is graph?</h3>
Graph is a mathematical representation of a network and it describes the relationship between lines and points.
As, the equation x² + y² < 25 represents equation of circle.
So, the graph will be of the form circle.
and, y² <6x is the equation to represent parabola
So, the graph will represent a parabola.
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