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jok3333 [9.3K]
3 years ago
5

Which of the following is a linear function?

Mathematics
1 answer:
Rama09 [41]3 years ago
6 0
\boxed{ \textbf{ \huge{Answer: A}}}

A linear function has 1 as the highest power of the variable.

A. f(x) = 2 - 7x

here, the highest power of the variable x is 1.
Hence it is a LINEAR function.
___________

B. f(x) = 2 + x + x^2

here, the highest power of the variable x is 2.
Hence it is NOT a linear function.
_______________

c.f(x) = \sqrt{2 + 7x}
here, the highest power of the variable x is 1/2.
Hence it is NOT a linear function.
________________
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Since the expression inside the parentheses cannot be <u>simplified further</u>, we can open the parentheses and simplify the expression.

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Therefore, the simplified expression is (2m - 1)/5.

Learn more about combining like terms: brainly.com/question/13080103

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