What are the domain and range of the function?
y = 3x^2
Stacey Warren - Expert brainly.com
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I want to say C, I could be very wrong though, (these are not my strong points at all lol )
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ok the graph, X has to be equal to or over 0 correct?
no, x can be all +ve or negative numbers
y values (output / range) is stuck in the +ve range tho...
|dw:1433586811172:dw|Yah, our x is going all the way right and left.
It's going up much faster than it's moving right or left, that might make it a lil confusing. But we WILL cover all the x's.
oh wait no >.< I messed up sorry I get x and y mixed up, so y has to be equal or over 0? so A ?
yay good job \c:/
sorry I said x first XD I always get confused on those but yea I understand how the x (domain) is going out infinite so it had to be the y that is equal to or greater than 0, thank you! One more cool? :D
yeps, A ;)
all good hey, shoot
A train travels at a steady rate of 80 mph. If the train travels for one-half hour nonstop, what are the domain and range of the distance function during the trip?
Domain: t = 0.5 ; Range: d(t) = 40
Domain: 0 =< t =< 0.5 ; Range: 0 =< d(t) =< 40
Domain: t = 0.5 ; Range: d(t) = 80
Domain: 0 =< t =< 0.5 ; Range: 0 =< d(t) =< 80
I wanna say C
so distance over the time of the trip is between 0 and 40 miles..., so I'd lock in range as between 0 and 40 (depending on time) yeah?
ummm... and domain... in this case relates to time (t) so your domain is between 0 and a 1/2 hour... so domain = 0 to 0.5
If we're gonna lock in 0 to 40 our only choice would be B, so B right? lol
i think i'd go B in this case
yeps, B ;)
awesome! let's see :D
Yes you got it right! 80% thank you soo much :) and than you for teaching me these new things! :DDDD