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Afina-wow [57]
3 years ago
12

What is the domain of y=-2x+6

Mathematics
2 answers:
earnstyle [38]3 years ago
8 0

Answer:

See below

Step-by-step explanation:

y=f(x)=-2x+6

Once by definition, the domain is all the possible inputs of the function, when it is defined, for the function  f the domain is all real numbers.

Dom(f) = \mathbb{R} = (-\infty, \infty )

On the other hand, for example, the domain of tangent is

Dom(tan) = \left\{x: x\neq \dfrac{\pi}{2} + k\pi, k\in\mathbb{Z}  \right\}

Because the tangent function is undefined for \dfrac{\pi}{2} + k\pi, k\in\mathbb{Z}

The domain of tangent can also be written as

$\bigcup_{k=-\infty}^{\infty} \left( \dfrac{(2k+1)\pi}{2}, \dfrac{(2k+3)\pi}{2}  \right)$

seropon [69]3 years ago
6 0

Answer:  Explanation: y=−2x+6 => equation of straight line in slope-intercept form: Since a line extends infinitely in both directions, its domain and the range are all the real numbers.

What is the Domain and Range of y = -2x + 6? | Socratic

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