Question

Determine whether each statement is tru or false:

1. The relation y = 2 x + 3 is a function.

2. The domain of the relation f(x) = √1 - x is the set of all real numbers.

3. The range of the relation g(x) = x² - 5 is the set of all real positive real numbers.

4. If R = {(-3, -2), (-1, -2), (-1, -4), (0, 5)} then R is a function.

5. If h(x) =1/x, then the range of the function is [0,∞]

Answer 1

help

Answer 2

4 and 5 are wrong

Answer 3

It's either 1 or 3

Answer 4

so 4 and 5 are false @Notamathgenius ?

Answer 5

Yes

Answer 6

1 and 3 is also false too? @Notamathgenius

Answer 7

No, 1 or 3 is the answer

Answer 8

@Notamathgenius thank you !!!

Answer 9

Yw :)