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2 years ago

Please help brainliest to best

Mathematics

1 answer:

CaHeK987 [17]2 years ago

4 0

$-\frac{3}{20}= -0.15$

$-3\frac{21}{25} = -12.84$

$3\frac{9}{25}=1.56$

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erma4kov [3.2K]

Answer:

y = 3/4x + 2

Step-by-step explanation:

to find the slope its rise over run and you go up 3 and run 4 to get 3/4. then you just look on the y axis and see that the line passes 2. so that is the answer

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3 years ago

3. write an equation of the circle whose center is (-5,2) and whose radius length is 4 express your answer in standard form. I N

marin [14]

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Center is (h,k) h = -5, k = 2
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2 years ago

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Step-by-step explanation:

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4 0

3 years ago

Where do i plot the shape ? please help;

Lady bird [3.3K]

Answer:

(-3,8)

(-2,5)

(1,2)

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Step-by-step explanation:

5 0

2 years ago

For the function f (x) = 3 (x + 7), find -1().

AlekseyPX

Given:

The function is $f(x)=3(x+7)^{\frac{1}{4}}$ .

To find:

The function $f^{-1}(x)$ .

Solution:

We have,

$f(x)=3(x+7)^{\frac{1}{4}}$

Substitute f(x)=y.

$y=3(x+7)^{\frac{1}{4}}$

Interchange x and y.

$x=3(y+7)^{\frac{1}{4}}$

Divide both sides by 3.

$\dfrac{x}{3}=(y+7)^{\frac{1}{4}}$

Taking power 4 on both sides.

$\left(\dfrac{x}{3}\right)^4=y+7$

Subtract 7 from both sides.

$\left(\dfrac{x}{3}\right)^4-7=y$

$y=\left(\dfrac{x}{3}\right)^4-7$

Substitute $y=f^{-1}(x)$ .

$f^{-1}(x)=\left(\dfrac{x}{3}\right)^4-7$

Therefore, the correct option is C.

5 0

2 years ago