How many vertical asymptotes does the graph of y = (x + 1)/(x^2 + 7x - 30) have?
Two
They can be found by factoring the denominator and setting it = 0
( x + 10) ( x -3) = 0
So
x + 10 = 0 and x =10
x - 3 = 0 and x = 3
These are the equations of the asymptotes