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What is the domain of the function f(x) = 2x + 5?

2 Answers

2 votes
(- infinitive + infinitive)
(x|x e R)
User Ravshansbox
by
8.4k points
3 votes
Here, Function, f(x) = 2x + 5

Let, y = 2x + 5
Subtract both sides by 5,
y - 5 = 2x

Now,Divide both sides by 2,
y/2 - 5/2 = x

Since,Range is the set of all valid y values, It could be anything here!

In short, Your Answer would be: (-∞, ∞)

Hope this helps!
User Tinita
by
7.3k points

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