Please factor this and find the domain and show work

6c-3/3c^2-12

Answers

Answer 1

Answer: $(6c - 3)/(3c^(2) - 12) = (3(2c) - 3(1))/(3(c^(2)) - 3(4)) = (3(2c - 1))/(3(c^(2) - 4)) = (2c - 1)/(c^(2) - 4) = (2c - 1)/(c^(2) + 2c - 2c - 4) = (2c - 1)/(c(c) + c(2) - 2(c) - 2(2)) = (2c - 1)/(c(c + 2) - 2(c + 2)) = (2c - 1)/((c - 2)(c + 2))$

Domain: ±2

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A group of friends ordered two pizzas, one with pepperoni and one with mushrooms and green peppers. A plain pizza costs 9 dollars. Each extra topping costs 1 dollar. How much did the two pizzas cost?

Answers

Answer:

Total cost for two pizzas = 21 dollars

Step-by-step explanation:

Price of plain pizza = 9 dollars.

Price of topping = 1 dollar

Number of pizzas ordered = 2

Price of pepperoni pizza = 9 + 1 = 10 dollars.

Price of mushroom and pepper pizza = 9 + 2 = 11 dollars.

Total cost of 2 pizzas = 10 + 11 = 21 dollars

Total cost for two pizzas = 21 dollars

(9 + 1) + (9 + 2) =

21 dollars

the number of people who own computers has increased by 23.2 percent annually since 1990. if half a million people owned a computer in 1990, predict how many people will own a coumpter in 2015

Answers

There would be at least 92 million people who will own a computer in 2015.

I don't know how to make a function out of a percentage, that is why I used excel to compute annual population.

YEAR POPULATION Increase of previous years population
1990         500,000
1991         616,000         1.232
1992         758,912         1.232
1993         934,978         1.232
1994     1,151,894         1.232
1995     1,419,134         1.232
1996     1,748,373         1.232
1997     2,153,996         1.232
1998     2,653,723         1.232
1999     3,269,387         1.232
2000     4,027,885         1.232
2001     4,962,354         1.232
2002     6,113,620         1.232
2003     7,531,980         1.232
2004     9,279,400         1.232
2005   11,432,221         1.232
2006   14,084,496         1.232
2007   17,352,099         1.232
2008   21,377,786         1.232
2009   26,337,433         1.232
2010   32,447,718         1.232
2011   39,975,588         1.232
2012   49,249,925         1.232
2013   60,675,908         1.232
2014   74,752,718         1.232
2015   92,095,349

Multi Step Problem (Show work)
-k +4 - 5k = 1