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vazorg [7]
3 years ago
13

63n^3+54n^2-105n-90 Please help me factor by grouping

Mathematics
1 answer:
Zinaida [17]3 years ago
5 0

Answer:3(7n+6)(3n^{2}-5)

Step-by-step explanation:

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Describe a scenario where the function value exists at x=c, but the limit does not exist.
Vikki [24]

The scenario can be described using a piecewise function like:

f(x) = 1/x                  if  x < c.

f(x) = x                    if   x = c

f(x) = 1/(x + 73)       if x > c.

<h3>When the value exists but the limit does not?</h3>

Remember that the limit only exists if the limit from left and the limit from the right give the same value.

Then, we can just define a piecewise function of the form:

f(x) = 1/x                  if  x < c.

f(x) = x                    if   x = c

f(x) = 1/(x + 73)       if x > c.

Clearly, this is not a continuous function.

Notice that:

f(c) = c.\\\\ \lim_{x \to c^{-}} f(x) = 1/c\\\\ \lim_{x \to c^{+}} f(x) = 1/(c + 73)

So the limits from left and right are different, then:

\lim_{x \to c^{}} f(x)

Does not exist.

If you want to learn more about limits:

brainly.com/question/5313449

#SPJ1

6 0
2 years ago
A toaster that normally sells for $25 is on sale for 45% off.
Gnesinka [82]

Answer:

$13.25

Step-by-step explanation:

  1. Change 45% in a decimal which is 0.45.
  2. Multiply 0.45 and 25.
  3. That will give you $11.25.
  4. Change 8% into a decimal which is 0.08.
  5. Multiply 0.08 and 25.
  6. That will give you $2.
  7. Then add $11.25 and $2.
  8. Your final answer is $13.25
5 0
3 years ago
What is the grow by centimeters in an hour in this chart.
11Alexandr11 [23.1K]
1/2. It is the slope. It rises from .5 to 1.5 (1) and runs from 1 to 3 (2)

Rise over run = 1/2
8 0
3 years ago
Does anyone know the answer, answer ASAP please!!
Natalka [10]

Answer:

A = 39 m²

General Formulas and Concepts:

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

  1. Brackets
  2. Parenthesis
  3. Exponents
  4. Multiplication
  5. Division
  6. Addition
  7. Subtraction
  • Left to Right

Step-by-step explanation:

<u>Step 1: Identify Variables</u>

Shorter Diagonal d2 = 3m + 3m = 6m

Longer Diagonal d1 = 9m + 4m = 13m

<u>Step 2: Find Area</u>

  1. Substitute into formula:                    A = 1/2(13m)(6m)
  2. Multiplication:                                    A = 1/2(78m²)
  3. Multiplication:                                    A = 39 m²
6 0
3 years ago
What point is located at (-3, 3)?<br> point A<br> point B<br> point C<br> point D
SVETLANKA909090 [29]
The answer is point a. Look at the x axis and go over to -3 then do the y axis and go up to 3 and there is your point.
4 0
3 years ago
Read 2 more answers
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