Which subsets of the real numbers does the number 70 belong

Mathematics

1 answer:

Sveta_85 [38]3 years ago

6 0

Answer:

Step-by-step explanation:

Integers are any whole numbers that can be positive or negative.

Rational numbers are any numbers that can be expressed as a fraction such as an integer, whole number, or decimals.

Natural numbers include 1, 2, 3 etc.

(Extra fact: 0 is not a natural number :0)

Whole numbers are are numbers without fractions or decimals.

I hope this helps :)

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Calculate the average rate of change for the given function, from x = 2 to x = 7.

Marina86 [1]

$\bf slope = m = \cfrac{rise}{run} \implies 
\cfrac{ f(x_2) - f(x_1)}{ x_2 - x_1}\impliedby 
\begin{array}{llll}
average~rate\\
of~change
\end{array}\\\\
-------------------------------\\\\

\begin{array}{ccll}
x&f(x)\\
\text{\textemdash\textemdash\textemdash}&\text{\textemdash\textemdash\textemdash}\\
-2&0\\2&15\\7&30
\end{array}
\qquad 
\begin{cases}
x_1=2\\
x_2=7
\end{cases}\implies \cfrac{f(7)-f(2)}{7-2}\implies \cfrac{30-15}{5}
\\\\\\
\cfrac{15}{5}\implies 3$