Which one doesn’t belong and why? (look at the picture)

Mathematics

1 answer:

QveST [7]3 years ago

7 0

I think b because all the other lines are the same length and b lines aren’t

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X=?? hurry!! will give brainliest

lesya692 [45]

Answer:

Step-by-step explanation:

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180-150=30

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3 years ago

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Fill in the blank to make it a true statement: 50 ___ |-50|

Sergeeva-Olga [200]

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2 years ago

If F(x)=4x-1 and g(x)=x^2+7, what is g(f(x))

VashaNatasha [74]

Answer

$g(f(x)) = = 16 {x}^{2} - 8x + 8$

step by step Explanation

The functions given are

$f (x)= 4x- 1$

$g(x)= {x}^{2} + 7$

We want to find:

$g(f (x))= g( 4x- 1)$

This implies that

$g(f (x))= ( (4x- 1)^{2} + 7)$

Let us now simplify

$( {a - b)}^{2} = {a}^{2} -2ab + {b}^{2}$

This implies that

$( (4x- 1)^{2} + 7) =( {(4x)}^{2} - 2(4x) \times 1 + 1$

Combine the terms to get,

$= 16 {x}^{2} - 8x + 1 + 7$

$= 16 {x}^{2} - 8x + 8$