4 years ago

I need help with this question in math.

Mathematics

2 answers:

KATRIN_1 [288]4 years ago

4 0

GCF = 32x^6y^5

answer is B.
32x^6y^5

slava [35]4 years ago

4 0

It is b because that's the gcf

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A bank is offering a loan to account holders. If they pay the full amount off in fourteen months, they are charged no interest.

lara [203]

Answer:

$464.29

Step-by-step explanation:

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3 years ago

Write out each step of the 3-step test for continuity for the following functions at the given point. If the function is discont

balandron [24]

If we simply substitute the value x=2 in the expression we have

$f(2) = \dfrac{4-12+8}{4-2-2} = \dfrac{0}{0}$

which is undefined.

But if we factor both numerator and denominator, we have

$f(x)=\dfrac{x^2-6x+8}{x^2-x-2} = \dfrac{(x-2)(x-4)}{(x+1)(x-2)}$

Since we are studying the limit as x approaches 2, we can assume that x is not 2. In this case, we can simplify the (x-2) parenthesis, and the expression becomes

$f(x)=\dfrac{x-4}{x+1}$

And we can evaluate this at 2 with no problems:

$f(2) = \dfrac{2-4}{2+1} = -\dfrac{2}{3}$

So, we have

$\displaystyle \lim_{x\to 2}f(x) = -\dfrac{2}{3}$

This means that in this case both left and right limits exist and are the same, so the limit exists, but the function is not defined at x=2. This is a removable discontinuity, because we can define the function as its limit, and we have a continuous function at x=2:

$f(x) = \begin{cases}\dfrac{x^2-6x+8}{x^2-x-2} &\text{if }x \neq 2\\ -\frac{2}{3} &\text{if }x = 2\end{cases}$