3 years ago

What is y=2x+1 as a graph

1 answer:

4 0

It's a straight line that crosses the y-axis at the point where y=1, and it has
a slope of +2. (For every inch that it travels from left to right, it rises 2 inches.)

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Please answer correctly! I will mark you as Brainliest!

jasenka [17]

Answer:

I have actually done this before, I got it right and I chose C!

hope this helps. love u guys!

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3 years ago

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Which relation is not a function?

Mandarinka [93]

Answer:

c is not a fuction

Step-by-step explanation:

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3 years ago

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What is the image of (4, -12) after a dilation by a scale factor of 1/4 centered at the origin?

Aleonysh [2.5K]

The answer is (-1,-3)

All you have to do is divide your point by 4, since it is a fraction. if its not then multiply.

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3 years ago

What is the inverse of f(x)= 3x-9

JulsSmile [24]

If $f^{-1}(x)$ is the inverse of $f(x)$ , then

$f\left(f^{-1}(x)\right) = x$

Given

$f(x) = 3x-9$

composing with the inverse function gives

$f\left(f^{-1}(x)\right) = 3f^{-1}(x) - 9 = x$

Solve for the inverse:

$3f^{-1}(x)-9 = x \\\\ 3f^{-1}(x) = x+9 \\\\ \boxed{f^{-1}(x) = \dfrac x3 + 3}$

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3 years ago

Will mark brainlist to whoever answers first

Nonamiya [84]

Answer: A

Step-by-step explanation:

On a reflection through the x-axis, the x-coordinate of the point will not change, but the y-coordinate will be changed with a negative sign.

So, the reflection of the point is: (8, -7)

Therefore, Option(a)(8, -7) is true.

7 0

2 years ago