3 years ago

1 point

Mathematics

1 answer:

jolli1 [7]3 years ago

7 0

Answer:

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Step-by-step explanation:

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If f(x) = |2x - 4|, find f(-7)

Digiron [165]

hey there!!

Given :

f ( x ) = l 2x - 4 l , find f ( - 7 )

We will have to substitute the value of -7 instead of x

f ( -7 ) = l -14 - 4 l

f ( -7 ) = l -18 l

As the value in a mod shall always be positive, the answer would become 18

Hence, the required answer is 18

Hope my answer helps!!

7 0

3 years ago

Read 2 more answers

Lol help me for a brainliest

Dmitrij [34]

Answer: $\bold{b)\quad \dfrac{17}{36}}$

<u>Step-by-step explanation:</u>

$.\quad \dfrac{1}{6}\bigg(2\dfrac{1}{3}-\dfrac{3}{4}\bigg)+\dfrac{5}{24}\\\\\\=\dfrac{1}{6}\bigg(\dfrac{7}{3}-\dfrac{3}{4}\bigg)+\dfrac{5}{24}\\\\\\=\dfrac{1}{6}\bigg(\dfrac{28}{12}-\dfrac{9}{12}\bigg)+\dfrac{5}{24}\\\\\\=\dfrac{1}{6}\bigg(\dfrac{19}{12}\bigg)+\dfrac{5}{24}\\\\\\=\dfrac{19}{72}+\dfrac{5}{24}\\\\\\=\dfrac{19}{72}+\dfrac{15}{72}\\\\\\=\dfrac{34}{72}\\\\\\=\large\boxed{\dfrac{17}{36}}$