A. 18+2 = 20 abs 18-2= 17
Answer:
A
Step-by-step explanation:
Answer:
b) 5
Step-by-step explanation:
f(x) = x² + 1
f(2) = (2)² + 1
= 4 + 1
= 5
Answer:
The sign is negative
Step-by-step explanation:
Given



Required
Determine the sign
The expression can be split into 3 factors

If x > 0 then x is positive and If y < 0 then y is negative
So, the expression becomes:

<em />
Leave only signs


So, we have:



So, we have:

<em>Hence, the sign of the expression is negative</em>
<em></em>
Take for instance;


The expression would be:
-- negative
Answer:
Neither.
Step-by-step explanation:
I am not completely sure, so make sure to also let other answer this before you trust me lol. I really hope this helps!!