Question

In reciprocal function. if f(x) = 1/x . draw graph and find domain and range​

Answer 1

Answer:

Domain is all the possible x-values that can be plugged in and range is all the possible y-values that can be outputs.

f

(

x

)

=

1

x

can have any number as an input except for zero.

If we plug in zero for

x

, then we would be dividing by zero which is impossible.

Thus the domain is all real numbers except for zero.

The range is easier to see on the graph:

graph{1/x [-10, 10, -5, 5]}

Since the function goes up forever and down forever vertically, we can say that the range too is all real numbers except for zero.

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