Is 21 true or false I believe is false but not sure? A.) True False 21. (4 point

Question

Is 21 true or false I believe is false but not sure?

A.) True False 21. (4 points) The target or image of a function is an element of the domain of that function. A. True B.) False 22. (4 points) Consider the function f : R R ,f(x) = 1/(x-1) Is this a well defined function? A. Yes, this is a well-defined function B No, this is not a well-defined function 23. (4 points) Suppose a school has te are three For each class, there three has thre periods (called 1, 2, 3) during which a clas can or example, for class A, there three periods (called Setting 42 1 represents scheduling class A duri be scheduled. For each class, th are variables TA, 42, a period 2.

Explanation / Answer

The image of a function is the set of all elements of the domain of that function. It is not only one element.

If the line is saying that the image of function is only one element of the domain, then the statement is false.

If the statement is saying that image of function is one of the elements then it is true

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