Question

for what value of x of the term 1/2x-3 will be undefined

Answer 1

Answer:

If a function in

x

is undefined then

y

can not take on a value.

If

y

can take on a value then the function is defined.

y

=

2

x

−

5

x

+

3

is undefined at

x

=

−

3

If this were to be the case we would have

y

=

−

6

−

5

0

you are 'not allowed' to have 0 as a denominator. Hence 'undefined'