Question

What is the domain of the function RX) = x2 + 3x + 5?

OA
all whole numbers
OB. all positive real numbers
Ос.
all Integers
OD. all real numbers

Answer 1

option D is domain

Explanation:

because no change is happen in range by keeping any real number

Answer 2

all real numbers

Explanation:

The domain is the numbers that the input, x, can take

We can put in any real number for x since there are no restrictions on the input