y = -4x - 1
It is a linear function different from the constant function. Therefore, if the range is only one number, then the domain is only one number too.
Let's calculate it:
y = -25 → -4x - 1 = -25 |add 1 to both sides
-4x = -24 |divide both sides by (-4)
x = 6
Answer: The domain = {6}.
10 hours : 15 logs
x hours : 9 logs
15*x = 9*10 => x=9*10/15=6 hours
With n logs,
x=n*10/15=2n/3 hours where n is the number of logs.
First lets start with number six. The only way to solve this is if you determine what "a" and "b" are using the first log they have given to you.
The first variable that I solved for was "a" and
}
The same is also true for "b", but when you put both "a" and "b" together the only combination that I have found to work is 
Next you plug these numbers in for "a" and "b" on the second equation to get something that looks like this:
and the picture below shows where the answer becomes a negative fraction.
https://www.symbolab.com/solver/logarithms-calculator/%20%5Clog_%7B%5Cfrac%7B1%7D%7B2%7D%5Ccdot%5Cfrac%7B1%7D%7B4%7D%7D%5Cleft(%5Cfrac%7B%5Csqrt%7B%5Cfrac%7B1%7D%7B2%7D%7D%7D%7B%5Csqrt%5B3%5D%7B%5Cfrac%7B1%7D%7B4%7D%7D%7D%5Cright)
If you paste that link in your search bar it will give you a even more in depth understanding of how to get this answer
Next is #7, the easier of the two.There are two ways to solve for your answers. According to the graph of this equation there are four possible real solutions.
. (This does not account for any complex solutions)
Notice that the bases are conjugates which is why the answers are so "nice"
The key is in the exponents
if
then the sum on the conjugates will be 10 so


so 
Now for the other two
the solution is also true if 
so

the four real solutions are 
Answer: £700
Step-by-step explanation:
SI = prt
SI = 500 x .08 x 5
SI = 200
Amount = 500 + 200 = 700
Answer:
1 3/5
Step-by-step explanation:
to determine the answer, take the following steps :
- determine how much larger the amount of flour you intend to use is more than that indicated in the recipe
- Multiply the answer gotten in the above step by the amount of flower indicated in the recipe
6 2/3 ÷ 3 1/3
20/3 x 3/10 = 2
2 x 4/5 = 8/5 = 1 3/5