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Y squared plus xsquared plus 25 equals 0 is it explicit or implicit?
An explicit function ("y" as a function of "x") is one of the form y = ..., where only a single "y" appears on the left, and no "y" appears on the right. Therefore, the function you give is implicit.An explicit function ("y" as a function of "x") is one of the form y = ..., where only a single "y" appears on the left, and no "y" appears on the right. Therefore, the function you give is implicit.An explicit function ("y" as a function of "x") is one of the form y = ..., where only a single "y" appears on the left, and no "y" appears on the right. Therefore, the function you give is implicit.An explicit function ("y" as a function of "x") is one of the form y = ..., where only a single "y" appears on the left, and no "y" appears on the right. Therefore, the function you give is implicit.
What is probability mass function?
It is a function which is usually used with continuous distributions, to give the probability associated with different values of the variable.
Give an example of a relation that is NOT a function and explain why it is not a function?
y² = x --> y = ±√x Because there are *two* square roots for any positive number (positive and negative) this will not be a function.
What are function and relation?
A function is an equation that gives a unique answer. A relation does not. Example: y = 3x + 1 is a function. If I give you x, you can determine y. And that y is unique to that x. So if x = 1, you know y = 4. No other of x gives y = 4 as an answer. So y = 3x + 1 is a function. Example: y = 4x2. So if I give you x = 1, y = 4. But y = 4 if I also give you x = -1. So y = 4x2 is not a function, it is a relation.
How can you decide what graph equation and function type?
Create a scatter plot. That might give some indication of the function type. Try out different function. Once you get experience it will come easier.
