2 years ago

Mangled Angles Can someone please help me with this assignment?

Mathematics

1 answer:

Dmitriy789 [7]2 years ago

8 0

a an c are 65 d and b are 25 those are four of them

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Express f(x) = |x-2| +|x+2| in the non-modulus form. Hence, sketch the graph of f.

alexgriva [62]

Recall that

$|x|=\begin{cases}x&\text{if }x\ge0\\-x&\text{if }x$

There are three cases to consider:

(1) When $x+2$ , we have $|x+2|=-(x+2)$ and $|x-2|=-(x-2)$ , so

$|x-2|+|x+2|=-(x-2)-(x+2)=-2x-4$

(2) When $x+2\ge0$ and $x-2$ , we get $|x+2|=x+2$ and $|x-2|=-(x-2)$ , so

$|x-2|+|x+2|=-(x-2)+(x+2)=4$

(3) When $x-2\ge0$ , we have $|x+2|=x+2$ and $|x-2|=x-2$ , so

$|x-2|+|x+2|=(x-2)+(x+2)=2x$

So

$|x-2|+|x+2|=\begin{cases}-2x-4&\text{if }x$

4 0

2 years ago

PLRASE HELPPP PLS IM STUCK

GaryK [48]

Answer:

Khan Academy.

Step-by-step explanation:

You can go on khan academy and search up "percentages and numbers." The videos should immediately pop up. there are also lessons if you don't want to risk getting your problem wrong. If you are still confused and do not understand please just comment and I will respond.

3 0

1 year ago

Simplify (x2 16)(x2-16)? A. x4- 256 B. x256 C. x432 D. x4-32

tiny-mole [99]

(x² + 16)(x² - 16)
= (x²)² - 16²
= x⁴ - 256

7 0

2 years ago

A company increased their profits by 145% from last year. If their profits were $127,000 last year, how much did they make this

denis-greek [22]

$127000*2.45=$311150

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3 years ago