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pshichka [43]
3 years ago
14

The sum of twice a number and 5 less than the

Mathematics
1 answer:
Daniel [21]3 years ago
7 0

Answer:

-6

Step-by-step explanation:

Let the number be x.

2x + (x-5) = x - 17

2x + x - 5 = x - 17

3x - x = -17 + 5

2x = -12

: x = -12/2

x = -6

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A bakery has the following pricing for large orders of cupcakes. The first 100 cupcakes of any order
Taya2010 [7]

A piecewise function is a function that behaves differently in different intervals of its domain.

The answers are:

a)

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f(x) = x*$1.25     if    x > 250.

b)  $306.25

The given information is:

The first 100 cupcakes cost $2.00 each.

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If the order is more than 250 cupcakes, the cost is $1.25 each.

a) Now we want to write the piecewise function, this will be:

f(x) = x*$2.00    if 0 ≤ x ≤ 100

f(x) = x*$1.75     if  100 < x ≤ 250

f(x) = x*$1.25     if    x > 250.

Above you can see the piecewise function, when you want to evaluate it, the first thing you need to do is to find at which interval the input belongs.

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If you want to learn more, you can read:

brainly.com/question/12561612

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2 years ago
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