domain and range of y= square root of x-2

Question

liizzyliizz · Answer

x-2 is in the root btw

anonymous · Answer

domain is all possible values of x
hence what do u think ?

anonymous · Answer

hint u cannot have negative values

liizzyliizz · Answer

yeah i know that but im having trouble writing down

liizzyliizz · Answer

in interval notation

anonymous · Answer

lol x>=2

anonymous · Answer

and range y>=0

anonymous · Answer

if u wanna write in interval notation

liizzyliizz · Answer

ok thanks i had the domain right lol i wasnt so sure on the range tho

anonymous · Answer

for domain (-2,ininite symbol)
for range (0,infinite symbol)

anonymous · Answer

well just think about it logically what kind of numbers are possible and what are not

liizzyliizz · Answer

really i put what u had for domain for the range,,, ?

anonymous · Answer

for range [0,infinite symbol)

liizzyliizz · Answer

i have a few more that i need help checking them care to help?

anonymous · Answer

sorry forgot to put [ symbol but that's range

anonymous · Answer

ok

liizzyliizz · Answer

$$y=\sqrt{4-x^2 }$$

nilankshi · Answer

lol

liizzyliizz · Answer

sorry i have my first day of ap calc tomorrow i want to make sure i have this right lol

anonymous · Answer

ok what value will make it 0

anonymous · Answer

what value of x makes it 0?

liizzyliizz · Answer

2

liizzyliizz · Answer

like i said 2 lol

anonymous · Answer

hint  what is square root of 4

anonymous · Answer

sorry my computer is screwed so somthimes my posts repeat

liizzyliizz · Answer

its ok lol

anonymous · Answer

btw this was the answer for first one b4 i continue for second one
for domain [-2,ininite symbol)
for range [0,infinite symbol)

anonymous · Answer

any way so we know that value have to be a minimum of 2 as we cannot have negative values

anonymous · Answer

hence the answer for this one
for domain [2,ininite symbol)
for range [0,infinite symbol)

anonymous · Answer

do u follow?