The domain of the function given above is the value of w that would make it reasonable. Among the numbers, w cannot be zero because that would make the fraction 70/0 undefined. So the domain of the function is from negative infinity to positive infinity but not zero.
Let x be the cost of each book.
So, the cost of 4 books is 4x.
For the purchase of 4 books, he got a discount of $20.
So, the amount he paid for the first four books = 4x - 20.
Now, the cost of 5 books is 5x.
For the purchase of 5 books, he got another discount of $5.
So, the amount he paid for the five books = 5x - 5.
Total money spent = $87.
Therefore, (4x - 20) + (5x - 5) = 87
4x + 5x - 20 - 5 = 87
9x - 25 = 87
9x = 87 + 25
9x = 112
Divide both sides by 9.
x = 12.4
Hence, the cost of each book = $12.4.
g(x) = f(x) + n - shift a graph of f(x) n units up
g(x) = f(x) - n - shift a graph of f(x) n units down
g(x) = f(x - n) - shift a graph of f(x) n units right
g(x) = f(x + n) - shift a graph of f(x) n units left
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f(x) = x
g(x) = x + 4 = f(x) + 4
Answer: Shift a graph of f(x) n units up.
Answer:
$2.15
Step-by-step explanation:
if each can is .95 and she bought 3, start by multiplying. .95 x 3 = $2.85. Now subtract that from $5.00. 5.00 - 2.85 = 2.15
Answer:
There is only one solution and the solution is (0,4).
Step-by-step explanation:
The given system has equations;
and
We equate the two equations to determine their point of intersection;
We put x=0 into the first equation to get;
There is only one solution and the solution is (0,4).