What are some things to be aware of that can lead to higher than expected totals when making a purchase or checking out

taxes

Step-by-step explanation:

Taxes, shipping (if checkout is online), and false advertisements.

answer: -2+√x,-2-√x

i hope this , i don't know if you're looking for a pair or not.

hello from mrbilldoesmath!

answer:

the domain is the set { -2, 0, 2, 3}

discussion:

the domain is the set of x values in the ordered pairs (x,y). taking the x, or first component, of each ordered pair gives   -2, 0, 2, 3.

you,

mrb