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2 years ago

If f(x) = 2x + 3, what is f(–2)?

Mathematics

2 answers:

Mumz [18]2 years ago

7 0

Substitute -2 for x

$f( - 2) = 2( - 2) + 3 \\ y = - 4 + 3 \\ y = - 1$

Hope it helps

Please give brainliest

Anton [14]2 years ago

5 0

Answer:

-1

Step-by-step explanation:

Hi student! Let me help you out on this question.

_____________________

To find the value of f(-2), we need to stick in -2 for x.

$\mathsf{f(-2)=2\cdot(-2)+3}$ . Multiply first.

$\mathrm{f(-2)=-4+3}$ . Now simplify completely.

$\mathsf{f(-2)=-1}$ . Which is our final answer.

Hope that this helped you out! have a good day ahead.

Best Wishes!

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<em>◆◈-Greetings!-◆◈</em>

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9.b)

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Step-by-step explanation:

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3 years ago

Convert 6 2/3 cups to pints. Express your answer in simplest form.

Dmitry_Shevchenko [17]

First off, let's convert the mixed fraction to "improper", keeping in mind that, there are 2 cups in 1 pint.

$\bf \stackrel{mixed}{6\frac{2}{3}}\implies \cfrac{6\cdot 3+2}{3}\implies \stackrel{improper}{\cfrac{20}{3}}
\\\\\\
\begin{array}{ccll}
cups&pints\\
\text{\textemdash\textemdash\textemdash}&\text{\textemdash\textemdash\textemdash}\\
2&1\\\\
\frac{20}{3}&p
\end{array}\implies \cfrac{\quad 2\quad }{\frac{20}{3}}=\cfrac{1}{p}\implies \cfrac{\quad \frac{2}{1}\quad }{\frac{20}{3}}=\cfrac{1}{p}$

$\bf \cfrac{2}{1}\cdot \cfrac{3}{20}=\cfrac{1}{p}\implies \cfrac{3}{10}=\cfrac{1}{p}\implies p=\cfrac{10\cdot 1}{3}\implies p=\cfrac{10}{3}\implies p=3\frac{1}{3}$

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3 years ago

Help, please!

Aleonysh [2.5K]

Answer: $\frac{2}{3}$

Step-by-step explanation:

The greatest GCF is 5 because 5 goes into 15, and 10. Therefor, the answer would be 2/3.

* Hopefully this helps:) Mark me the brainliest:)!!!

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3 years ago

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Step-by-step explanation:

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3 years ago