A discontinuity occurs when the denominator equals zero
it will be either a hole or an asymptote
x+4 = 0
subtract 4 from each side
x=-4
0 because she deposited the money back into her bank account
Answer:
Divide by 4
Step-by-step explanation:
4x/4=25/4
x=25/4
x=6.25
Answer:
18
Step-by-step explanation:
168 : 28 : : 108 : y
168 / 28 = 108 / y
6 = 108 / y
6 * y = 108
y = 108 / 6
y = 18