What is the domain of the step function f(x) = (2x1 - 1?
{x[x2-1)
{x} x 2 1}
{x{ x is an integer)
{x|x is a real number}

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Ответ:

jaksenpounders

15.01.2021

Mathematics

$120^{\circ}$

Step-by-step explanation:

Given

cake is cut into 12 equal pieces

We know the top view of cake is similar to circle .

So, if a circle is divided into 12 equal parts then

each part subtend an angle of $\theta=\frac{360}{12}=30^{\circ}$

If 8 slices were eaten , then 4 slices are remaining

These 4 slices measure subtend equal angle at the center therefore

4 slice measure a total of $4\times \theta$

$\Rightarrow 4\times 30^{\circ}$

$\Rightarrow 120^{\circ}$

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What is the domain of the step function f(x) = (2x1 - 1? {x[x2-1) {x} x 2 1} {x{ x is an integer) {x|x is a real number}