domain is the numbes you are allowed to use for x
what I usually do is just find the numbers that aren't allowed in the domain. such numbers are numbers that cause a division by 0 or a squaer root of a negative number
given 
, there are no numbers that you can use for x that will cause a division by 0 or a square root of a negative number
so domain is all real numbers or D={x | -∞<x<∞}
:(( I’m not sure on this one I’m sorry
Answer:
Step-by-step explanation:
♨Rage♨
Answer:
A. Would be your answer
Step-by-step explanation:
7 plus a number n is 7+n, so B and D are already incorrect.
The phrase “and then multiply” suggests parenthesis be around the numbers/variables you would need to do first, so that excludes C.
Making A. your only answer left
Hope I helped!
