Find the domain of the function f(x)= 1/(5x+9)
What is the only value of not in the domain?
2006-09-14 06:26:31 · 6 answers · asked by John W 1 in Science & Mathematics ➔ Mathematics
Well John . you just do that;
5x+ 9 =0
5x = -9
x = - 9/5
so Domain is all the set of real number EXCEPT - 9/5
Domain= R - { - 9/5 }
Good Luck Johnny.
2006-09-14 08:36:17 · answer #1 · answered by sweetie 5 · 0⤊ 0⤋
The value of x that makes 5x + 9 equals 0.
2006-09-14 13:35:30 · answer #2 · answered by Seosamh 3 · 0⤊ 0⤋
the only value not inthe domain is -9/5 as that will render the denomonator zero and the expression indeterminate
2006-09-14 13:30:32 · answer #3 · answered by raj 7 · 1⤊ 0⤋
domain is: R \ { -9/5 }
2006-09-14 13:31:04 · answer #4 · answered by cybrdng 2 · 1⤊ 0⤋
All real numbers except when 5x+9=0
ie when x=-9/5
Domain is real numbers except -9/5
2006-09-14 13:30:19 · answer #5 · answered by astrokid 4 · 1⤊ 0⤋
graph the equation in a graphing calculator and then go to table and you find the domain.
2006-09-14 13:41:20 · answer #6 · answered by Mexichica817 2 · 0⤊ 0⤋