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Diano4ka-milaya [45]
3 years ago
8

What is the domain and range of f(x)=2x-5

Mathematics
1 answer:
Mrrafil [7]3 years ago
8 0

f(x) is a linear function with no restrictions

Domain: x = All real numbers

Range: y = All real numbers

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Ganezh [65]

Answer:

(0, 3)

Step-by-step explanation:

The y-intercept of any function can generally be defined as: (0, f(0)), since the y-intercept is when the function crosses the y-axis.

Anywhere on the y-axis, the x-value = 0, so the x value of the y-intercept will always be 0, and the y value is f(0), since x=0.

By looking at the graph it appears to intercept the y-axis at (0, 3) which should be the answer

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Homework due at 12:00<br> I Need Help
Leya [2.2K]

Answer:

<em>k = - 7.5 </em>

Step-by-step explanation:

Slope "m" of a line through points

( x_{1} , y_{1} )

( x_{2} , y_{2} )

is m = \frac{y_{2} -y_{1} }{x_{2} -x_{1} }

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~~~~~~~~~~~~~~~

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Slope of perpendicular line through points (3, 5) and (k, 12) is m_{2} = -\frac{2}{3}

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2(k - 3) = - 21

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<em>k = - 7.5</em>

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