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anishivaturi123
04.09.2019 •
Mathematics
The function f ( x ) = 3 x is often referred to as the "tripling function" because f ( x ) triples whenever x changes by 1. give two more distinct examples of tripling functions (functions whose outputs triple whenever the input changes by 1).
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Ответ:
Functions can be represented using equations.
The tripling functions are:
and ![\mathbf{h(x) = (\frac{12}{4})^x}](/tpl/images/0222/6295/92e88.png)
The function is given as:
To do this, we simply express 3 in another form
Using logarithms, we have:
Substitute
in ![\mathbf{f(x) = 3^x}](/tpl/images/0222/6295/8c20b.png)
So, we have:
Also, we can express 3 as 12/4
So, we have:
Hence, the distinct tripling functions are:
Read more about functions at:
link
Ответ:
Step-by-step explanation:
Any function
, in which
is a tripling function, in which the value of f(x) is tripled whenever x changes by 1.
So
Ответ:
55 lbs of $0.40 and 45 lbs of $1.40
Step-by-step explanation:
Let's say that we have two buckets, one that weighs x pounds and the candies in it are $0.40 per pound and another that weighs 100-x pounds (because we know the two added together must be 100 pounds) and the candies in it are $1.40 per pound.
There is a third bucket that is made when you combine the two, it weighs 100 pounds and the candies in it are $0.85. Multiply the cents per pound by the pounds of the candy for each bucket and you get this equation:
0.4 * x + 1.4 (100-x) = 0.85 * 100
Solve!
0.4x + 140 - 1.4x = 85
-x + 140 = 85
-x = -55
x = 55
From this we get that 100 - x = 45.
So, the answer is 55 lbs of $0.40 and 45 lbs of $1.40