f (x) = (x + 2) / (x ^ 2 - 3x - 4)
For this case, the first thing you should know is that the vertical asymptotes are those for which the function is not defined.
The function is not defined for those values that make the denominator equal to zero.
We have then:
x ^ 2 - 3x - 4 = 0
We look for the roots by factoring:
(x-4) * (x + 1) = 0
The roots are:
x1 = 4
x2 = -1
Answer:
The vertical asymptotes of the function are:
x = 4
x = -1
Answer:
Step-by-step explanation:
The given function is
To find k(-5), we put x=-5 into the given function to get;
Multiply out to obtain;
This is the same as;
This simplifies to
Answer:
3$
Step-by-step explanation:
To find percentage on a discount like this all you have to do is multiply the pre-discount number by your discount percentage.
So all you have to do is:
15 x 0.20
which gives you an answer of 3.
Thus the post-discount amount is $3.
Answer:
x < (-0.5)
Step-by-step explanation:
If you have any questions about the way I solved it, don't hesitate to ask
BC/DC = 8/3.2 = 2.5
AB/BD = 12.5/5 = 2.5
AC/BC = 20/8 = 2.5
Since the results are all 2.5, this means that the triangles are similar triangles.
The justification you would use is the SSS similarity theorem.
SSS = side side side
