Question

According to the given table, find the relation between x and y.
$\begin{array}{ccccc}x& 1& 2& 3& 4\\ y& 2& 4& 6& 8\end{array}$

• A. $y=2x$
• B. $y=2x-1$
• C. $y=x^2$
• D. $y=x^2+x$

Answer 1

The correct option is A $y=2x$

When x = 1, $y=2\times 1=2$.

When x = 2, $y=2\times 2=4$.

When x = 3, $y=2\times 3=6$.

When x = 4, $y=2\times 4=8$.

So, $y=2x$