NEED HELP PLEASE as soon as possible!!!

Mathematics

1 answer:

dolphi86 [110]3 years ago

8 0

Answer:

b 0.33333333333333333

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I am giving a brainliest to the best answer

arsen [322]

Answer:

Step-by-step explanation:

Given

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

let f(x) = y and rearrange making x the subject

y = $\frac{x+3}{4}$ ( multiply both sides by 4 )

4y = x + 3 ( subtract 3 from both sides )

4y - 3 = x

Change y back into terms of x

$f^{-1}$ (x) = 4x - 3 → A

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3 years ago

How to tell if the shape on a dot plot is symmetric or not symmetric

RUDIKE [14]

Idk if this helped you but , symmetric forms a mirror image of itself when reflected in its vertical line ( u shape ) and symmetric bell shaped is when you draw the vertical line at the center

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3 years ago

In the figure, the ratio of the perimeter of rectangle ABDE to the perimeter of triangle BCD is 2/3 1 3/2 2 . The area of polygo

adelina 88 [10]

It would b 2/3 and the other one 2/4

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3 years ago

The stream of water from a fountain follows a parabolic path. The stream reaches a maximum height of 7 feet, represented by a ve

xenn [34]

First of all, I'm going to assume that we have a concave down parabola, because the stream of water is subjected to gravity.

If we need the vertex to be at $x=4$ , the equation will contain a $(x-4)^2$ term.

If we start with $y=-(x-4)^2$ we have a parabola, concave down, with vertex at $x=4$ and a maximum of 0.

So, if we add 7, we will translate the function vertically up 7 units, so that the new maximum will be $(4, 7)$

We have

$y = -(x-4)+7$

Now we only have to fix the fact that this parabola doesn't land at $(8,0)$ , because our parabola is too "narrow". We can work on that by multiplying the squared parenthesis by a certain coefficient: we want