(x+3) / (5x^2 - 45)
do i just make the denominator equal to 0?
2006-12-12 13:35:58 · 3 answers · asked by Julio 4 in Science & Mathematics ➔ Mathematics
No, setting the denominator equal to zero will give you the vertical asymtote. To find the x intercept, set the function equal to zero. Since this is a rational function, it is sufficient to set the numerator equal to zero. so you get x + 3 = 0, so x = -3.
A function can have more than one x intercept, but only one y intercept. To find the y intercept, replace x with 0 and simplify.
2006-12-12 13:40:19 · answer #1 · answered by Joni DaNerd 6 · 0⤊ 0⤋
No because zero can not be a denominator
The answer is 6x^2-43 is simplified
sparky_121890@yahoo.com told me the answer he is 16 years old
2006-12-12 21:54:53 · answer #2 · answered by Daniel H 1 · 0⤊ 0⤋
The x-intercept, where the graph crosses the x-axis, occurs when
y = 0.
0 = x+3
x = -3
The point is (-3,0)
2006-12-12 21:49:55 · answer #3 · answered by S. B. 6 · 0⤊ 0⤋