3 years ago

¿Qué número NO pertenece al conjunto de los números racionales ?

Mathematics

1 answer:

ryzh [129]3 years ago

5 0

Answer:

Step-by-step explanation:

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Step-by-step explanation:

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Step-by-step explanation:

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What is the average rate of change of the function f(x) = 4x – 2 over the interval x = –1 and x = 2?

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Answer:

$4$

Step-by-step explanation:

Given: $f(x)=4x-2$

To find: average rate of change of the function $f(x)=4x-2$ over the interval $x=-1$ and $x=2$

Solution:

Take $a=-1,\,b=2$

Find $f(a),\,f(b)$

$f(a)=f(-1)\\=4(-1)-2\\=-4-2\\=-6\\\\f(b)=f(2)\\=4(2)-2\\=8-2\\=6$

Average rate of change of the function $=\frac{f(b)-f(a)}{b-a}$

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