An algebra problem by David Yen

Algebra Level 1

How do I find the domain of f ( x ) = 5 x + 2 ? f(x)=5x+2?

A complex number (-15,8) All real numbers (-2, 11)

David Yen by David Yen , 31, USA

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3 solutions

David Yen
Sep 9, 2014

The answer is all real numbers, or (−∞,∞).

If you graph this function, you shall see that there is nothing special about it, it is simply a linear equation. There exists x values at all points.

2 Helpful 0 Interesting 0 Brilliant 0 Confused
Mohammad Khaza
Jul 18, 2017

The answer is all real numbers i mean (−∞,∞).

1 Helpful 0 Interesting 0 Brilliant 0 Confused
David Yen
Sep 9, 2014

The answer is real numbers.

0 Helpful 0 Interesting 0 Brilliant 0 Confused

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