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kramer
2 years ago
15

Using f(x) = -5x + 12, evaluate f (-2)

Mathematics
1 answer:
marin [14]2 years ago
3 0

Answer:

<h2>22</h2>

Step-by-step explanation:

f(-2) means that the "x" variable in the equation can be substituted for -2

So, we have

-5(-2) + 12

This equals 10 + 12 = 22

So, the answer is 22

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Step-by-step explanation:

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Read 2 more answers
1. Which of the following is an irrational number? How do you know? Use key words and definitions to explain your answer choice.
Angelina_Jolie [31]

1:-

0.25

  • it should be in p/q form

\\ \rm{:}\twoheadrightarrow 0.25

\\ \rm{:}\twoheadrightarrow \dfrac{25}{100}

\\ \rm{:}\twoheadrightarrow \dfrac{1}{4}

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2:-

Its Slightly false.

Counter example :-

The sum of two rational numbers is may be rational. The sum of two irrational numbers is always irrational.”

ex:-

\\ \rm{:}\twoheadrightarrow \dfrac{1}{2}+\dfrac{1}{2}

\\ \rm{:}\twoheadrightarrow 1

3:-

NOTA

\\ \rm{:}\twoheadrightarrow 6(94)+7+(3+2)

\\ \rm{:}\twoheadrightarrow 564+7+5

\\ \rm{:}\twoheadrightarrow 576

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3 years ago
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