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2 years ago

Which function results in f(x)=13?

Mathematics

1 answer:

ZanzabumX [31]2 years ago

6 0

Answer:

The answer is B

Step-by-step explanation:

plug 2 into x to see

x^2 + 8

2^2 + 8

4 + 8 = 12

3x^2 + 1

3(2)^2 + 1

3(4) + 1

12 + 1 = 13

2x^3 + 5

2(2)^3 + 5

2(8) + 5

16 + 5 = 21

x^2 + x

2^2 + 2

4 + 2 = 6

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4 years ago

Help pls 2,4 +0,8=........+1,21=........+1,78=........-5,14=

Mrrafil [7]

Lets write this out:-

2.4 + 0.8 = ________ + 1.21 = ______ + 1.78 = ______ - 5.14 = _____

So to solve d blanks we will do d following:-

2.4 + 0.8 = 3.2

Now lets write this out AGAIN.

2.4 + 0.8 = 3.2 + 1.21 = ______ + 1.78 = ______ - 5.14 = ____

Now lets solve again:-

3.2 + 1.21 = 4.41

Now lets write this out AGAIN.

2.4 + 0.8 = 3.2 + 1.21 = 4.41 + 1.78 = ______ - 5.14 = ____

Now lets solve again:-

4.41 + 1.78 = 6.19

Now lets write this out AGAIN.

2.4 + 0.8 = 3.2 + 1.21 = 4.41 + 1.78 = 6.19 - 5.14 = ____

Now lets solve again:-

6.19 - 5.14 = 1.05

Now lets write this out AGAIN.

2.4 + 0.8 = 3.2 + 1.21 = 4.41 + 1.78 = 6.19 - 5.14 = 1.05

So, 2.4 + 0.8 = 3.2 + 1.21 = 4.41 + 1.78 = 6.19 - 5.14 = 1.05

Hope I helped ya!! xD

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3 years ago