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kobusy [5.1K]
2 years ago
6

Help me find the domain and range please!

Mathematics
2 answers:
NeTakaya2 years ago
4 0

Answer:

Domain: (-∞, 1]

Range: (-∞, 3]

Step-by-step explanation:

The function starts at point (1, 3) and goes to the left and down forever.

Domain: (-∞, 1]

Range: (-∞, 3]

FromTheMoon [43]2 years ago
4 0

Answer:

Domain: (-\infty, 1]

Range: (-\infty, 3]

Step-by-step explanation:

The domain of a function represents the range of x-values that are part of the function, read left to right. We can see that the function goes forever to the left and stops at x=1 when we read left to right. Therefore, the domain of this function is \boxed{(-\infty, 1]}.

The point at x=1 is a filled-in solid dot so it is included as part of the function. Use square brackets to denote inclusive.

The range of a function represents all y-values that are part of the function, read bottom to top. The function continues down forever and stops at y=3 when read bottom to top. Therefore, the range of this function is \boxed{(-\infty, 3]}. Similar to the domain, we use a square bracket on the right to indicate that y=3 is included in the function. If the dot was not filled-in, then we would use a parenthesis to indicate that y=3 would not be part of the function.

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