8√x -4
The -4 isn't under the square root sign, only the x is
2007-09-16 17:52:35 · 4 answers · asked by Anonymous in Science & Mathematics ➔ Mathematics
x >= 0.
x has to be 0 or positive. Can't take the square root of a negative number.
2007-09-16 17:57:13 · answer #1 · answered by SoulDawg 4 UGA 6 · 2⤊ 0⤋
Domain is the possible values of x.
Domain is x >= 0 for 8â(x) - 4
2007-09-17 00:58:08 · answer #2 · answered by tancy2411 4 · 1⤊ 0⤋
If I were to plug in 0 for x then y = -4
Therefore, the starting point for this function would be (0, -4)
And so the domain would be {x greater or equal to 0}
2007-09-17 00:58:59 · answer #3 · answered by Anonymous · 1⤊ 0⤋
8 â(x - 4)
domain: [4, â)
Thanx 4 not asking 2 find out the range.
2007-09-17 01:02:27 · answer #4 · answered by The Glorious S.O.B. 7 · 0⤊ 1⤋