To find a vertical asymptote set the denominator = to zero.
x + 2 = 0
x = -2
The vertical asymptote is at x= -2
8.5
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1.00 + 2.50 + 2.50 + 2.50 = 8.5
You have a 20/35 chance, or 4/7 simplified, of picking a pink or yellow ball.
Get a common denominator which you can get by mutiplying by k-1
Now foil and distribute
Now combine the fractions and like terms
Now factor out a k+1
you can cancel out the k+1 leaving