SOLUTION: Can you identiy the intercerts and asymtoms of this equation? f(x) = (2x) / (x + 4)

Question 152177: Can you identiy the intercerts and asymtoms of this equation?
f(x) = (2x) / (x + 4)
Answer by edjones(8007) (Show Source): You can put this solution on YOUR website!
f(x) = y = (2x) / (x + 4)
Intercepts:
x intercept (when y=0):
2x/(x+4)=0
2x=0 multiply each side by (x+4)
x=0
.
y intercept (when x=0)
0/4=y
y=0
.
vertical asymptote (when the denominator=0):
x=-4
.
horizontal asymptote:
When the numerator and denominator have the same degree we use this formula: a[m]/b[n]=2/1=2
.
Check it out on the graph below.
.
Ed
.

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