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goldenfox [79]
3 years ago
14

Which of the following algebraic expressions represents the sum of 7 and one-fifth of x?

Mathematics
1 answer:
Simora [160]3 years ago
4 0

Answer:

b

Step-by-step explanation:

b because it say's 1/5 and 7 it do not  say negative so yea

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Which could be the entire interval over which the function,
Marrrta [24]

Answer:

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Step-by-step explanation:

Hi Juliadayx! How are you?

Well, maybe you already heard about the domain and the range of a function.  

The domain is the set of values that the independent variable can take (usually referred to as the letter "x"), while the range is the set of values that the dependent variable takes, which is called f(x) or function of x.

In this case, the exercise asks you to evaluate for which values of “x” (right column of the table), the function “f(x)” takes positive values (left column of the table), the positive values also include zero. And in this case you can see that the function f(x) is only positive for the values of "x": -2, -1, 0 and 1. Therefore, the answer is the entire interval (-2, 1).

I hope I've been helpful!

Regards!

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Step-by-step explanation:

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