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Anit [1.1K]
2 years ago
15

Which of the following is a linear function?

Mathematics
1 answer:
Tamiku [17]2 years ago
3 0

Answer:

<h2>C. f(x) = 2 - 7x</h2>

Step-by-step explanation:

\text{The equation of a linear function:}\\\\f(x)=mx+b\\\\m-slope\\b-y-intercept\\----------------------------\\\\A.\ f(x)=\dfrac{2}{x}+7\qquad\bold{NOT}\ /\text{x is in denominator}/\\\\B.\ f(x)=\sqrt{2+7x}\qquad\bold{NOT}\ /\text{x is under square roots}/\\\\C.\ f(x)=2-7x\qquad\bold{YES}\ /m=-7,\ b=2/\\\\D.\ f(x)=2+x+x^2\qquad\bold{NOT}\ /\text{x is in the second power}/

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