Question

What is the domain of the function f(x) = 2x - 7 + 2?

Answer 1

what cant it be?

Answer 2

Domain of this function is that x can take any value..

Answer 3

So, Domain is all real values..

Answer 4

it cant be 0.. but can it be all real numbers?

Answer 5

why cant it be 0?

Answer 6

2(0) - +2 = -5 thats cool

Answer 7

It can be 0 also because by putting x = 0 you get the known value..

Answer 8

oh.. well then how do i know what it is?

Answer 9

is there any reason that you cant plug a number in for x? like taking the square root of a negative number or deviding by zero?

Answer 10

All Real Values..

You will write it as:

\(Domain : R\)

Answer 11

For range let f(x) = y.

Now find x in term of y..

The range also you will get the same..

Answer 12

Ignore it...

Answer 13

Question is only asking for Domain..

Answer 14

ik thanks