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Effectus [21]
3 years ago
8

If the function f is defined by f(x) = 3x+ 4 then 2f(x) + 4 =?

Mathematics
1 answer:
inessss [21]3 years ago
4 0
2f(x) + 4 = 2(3x + 4) +4

Use the property
a(b+c) = ab + ac

2(3x+4) +4 = 2(3x) + 2(4) + 4
= 6x + 8 + 4
= 6x+ 12
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gulaghasi [49]

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if you want to change it to pounds divide by 100.

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3 0
3 years ago
Which factorizations can be used to identify the real zeros of the function f(x)=20x^2+23x-6
Ainat [17]
It’s the quadratic formula because it’s give directly the zeros of a function
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3 years ago
Is the sequence arithmetic..... if so identify the common difference
const2013 [10]

Answer:

A) Yes, 7

Step-by-step explanation:

The given sequence  An = {13, 20, 27, 34, ...}

Here the first term Ao = 13 and difference between the successive terms is (d) = 7

That is  d = 20  - 13

d = 7

It is an arithmetic sequence. d = 7

Answer: Yes, it is arithmetic sequence and common difference (d) = 7

Thank you.

8 0
3 years ago
Read 2 more answers
Your beginning balance on your lunch account is $42. You buy lunch for $1.80 every day and sometimes buy a snack for $0.85. Afte
tangare [24]

Answer:

The answer to your question is: I bought 7 snacks

Step-by-step explanation:

Data

beginning balance = $42 = b

lunch = $1.80  = l

snack = $ 0.85  = s

final balance = $0.05 = f

                        f = b - 1.8l - 0.05s

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After 20 days I spent = 1.8(20) in lunches = $36

                    0.05 = 42 - 36 - 0.85s

                   0.05 = 6 - 0.85s

                  0.05 - 6 = -0.85s

                  -5.95 = -0.85s

                  s = -5.95/-0.85

                  s = 7

         

4 0
3 years ago
27 girls and 18 boys i need same ratio of girls and boys on each team please
otez555 [7]
The ratio is 3:2, hope it helps
7 0
3 years ago
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