Dose this table represent a function?

Mathematics

1 answer:

iogann1982 [59]3 years ago

8 0

No it doesnt because it 8 is repeated and function has 1 outcome for each x

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The voltage in a circuit is the product of two factors, the resistance and the current. If the voltage is 6ir + 15i + 8r+20, fin

Alenkinab [10]

Answer:

resistance: (2r +5)
current: (3i +4)

Step-by-step explanation:

The factors of the given expression are ...

6ir +15i +8r +20 = (3i +4)(2r +5)

Which factor is current and which is resistance is not clear. Usually, resistance is referred to using the variable r, so we suppose the expressions are supposed to be ...

resistance: (2r +5)

current: (3i +4)

8 0

3 years ago

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2. Which pole (north or south) of a compass magnet is attracted to Earth's magnetic north pole?

iogann1982 [59]

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Step-by-step explanation:

A compass needle points north because the north pole of the magnet inside it is attracted to the south pole of Earth's built-in magnet.

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4 years ago

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RoseWind [281]

Answer:

Step-by-step explanation:

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3 years ago

F(x)=2x^2-x-6 g(x)=4-x (f+g)(x)

Semenov [28]

$\large \boxed{(f + g)(x) = f(x) + g(x)}$

The property above is distribution property where we distribute x-term in the function.

Substitute both f(x) and g(x) in.

$\large{ \begin{cases} f(x) = 2 {x}^{2} - x - 6 \\ g(x) = 4 - x \end{cases}} \\ \large{f(x) + g(x) = (2 {x}^{2} - x - 6) + (4 - x)} \\ \large{f(x) + g(x) = 2 {x}^{2} - x - 6 + 4 - x}$