The equation that contained points (4, 5) on the graph of a function is f(4)=5. Option C is correct.
If the point (4, 5) is on the graph of a function, which equation must be a true statement to be justify.
Functions are the relationship between sets of values. e g y=f(x), for every value of x there is its exists in a set of y. x is the independent variable while Y is the dependent variable.
For a function to be a perfect function when the value of the x is put in the function it gives the value of y on the graph.
Now, from observation, it is found that options A, B, and D will be omitted because the function is not properly functioning for x. Option C is proper function that contains f(x) = y where x =4 and y = 5.
Thus, the equation that contained points (4, 5) on the graph of a function is f(4)=5. Option C is correct.
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