Does y=2x-4 represent a linear function?

2 answers:

7 0

Yes!
If x doesn’t have any power, it is a linear function
For example:
(x^2 is a quadratic function)
(x^3 is a cubic function)

Tanya [424]3 years ago

5 0

Answer:

Yes

Step-by-step explanation:

This equation is in slope-intercept form, $y=mx+b$ . If graphed, it would be a line.

Hope this helps!

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kipiarov [429]

Answer:

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Step-by-step explanation:

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Sonja [21]

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Step-by-step explanation:

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3 years ago

A sphere has a diameter of 4 x 10^-3 mm. What is the approximate volume of the sphere? Use 3.14 for pi.

kolezko [41]

Answer:

$3.349 \times {10}^{ - 10} \: {mm}^{3}$

Step-by-step explanation:

$d = 4 \times {10}^{ - 3} \: mm \\ r = 2 \times {10}^{ - 3} \: mm \\ V_{sphere} = \frac{4}{3} \pi {r}^{3} \\ = \frac{4}{3} \times 3.14 \times {(2 \times {10}^{ - 3} )}^{3} \\ = \frac{4}{3} \times 3.14 \times 8\times {10}^{ - 9} \\ = \frac{100.48}{3} \times {10}^{ - 9} \\ = 33.4933333\times {10}^{ - 9} \\ = 33.49 \times {10}^{ - 9} \\ = 3.349 \times {10}^{ - 10} \: {mm}^{3}$