3 years ago

What is the difference between a function and a relation

1 answer:

4 0

A relation is any set of ordered pairs. A function is a set of ordered pairs where there is only one value of \begin{align*}y\end{align*} for every value of \begin{align*}x\end{align*}

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If x -1/7,evaluate x²+1/x²

SCORPION-xisa [38]

Answer:

$given \: x = - \frac{1}{7}$

$x {}^{2} + \frac{1}{x {}^{2} }$

$( - \frac{1}{7} ) {}^{2} + \frac{1}{ ( - \frac{1}{7} ) {}^{2} }$

$\frac{1}{49} + \frac{1}{ \frac{1}{49} }$

$\frac{1}{49} + \frac{1 \times 49}{1}$

$\frac{1}{49} + 49$

$\frac{2402}{49} \: or \: 49.02$

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What is the value of x inthe equation 1/5×-2/3y=30, when y=15?

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Trigonometry<br> Special Right Triangles<br> Find the exact value of sec 60* - cosec 30* - sin 0*.

evablogger [386]

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Step-by-step explanation:

cos(60) = ½

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3 years ago

What is the difference between a function and a relation​

What is the difference between a function and a relation