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3 years ago

Let f(x)=11-3xm compute f(2)+f^-1(2)

1 answer:

8 0

Taking f(X) to be y
Y = 11 - 3X
3X = 11 - y
X = (11-y)÷3
F^-1(x) = (11 - x)÷3 addING both equations
It gives = 0

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Find the equation of a line, in slope-intercept form of a line that passes through the point (-5, -1) and is parallel to -2x+4y=

Lana71 [14]

Answer:

$y=\frac{1}{2}x+\frac{3}{2}$

Step-by-step explanation:

Let's write $-2x+4y=8$ to slope-intercept form.

We do this by solving for $y$

$-2x+4y=8\\$

Add 2x to both sides

$4y=8+2x$

Divide both sides by 4

$y=\frac{1}{2} x+2$

Now that we have that equation in slope-intercept form, the question wants us to find a line that is parallel to it that passes the point (-5, -1).

A line is parallel to another line is they have the same exact slope.

The slope is $\frac{1}{2}$ .

Slope-intercept form: $y=mx+b$ , where $m$ is the slope and $b$ is the y-intercept.

So, let's see what we have here so far.

$y=\frac{1}{2}x +b$

All we have to do is find $b$ .

The question wants the line to pass the point (-5, -1).

Let's plug that point in.

$-1=\frac{1}{2} (-5)+b\\-1=\frac{-5}{2}+b\\\frac{3}{2} =b\\$

We have all the information needed to finish this problem!

So, the line that is parallel to $-2x+4y=8$ and passes through the point (-5, -1).

$y=\frac{1}{2}x+\frac{3}{2}$

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Which choice does not name a chord of circle F?

andreyandreev [35.5K]

A, FE as a chord is a straight line that goes from one end of the circle to another end. This means both ends of the line should touch the circumference. In FE, only one end of the line is touching the circumference. The other isn't. There FE isn't a chord for circle F

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makkiz [27]

Answer:

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Step-by-step explanation:

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3 years ago

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Answer:

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Write an equation of the line that passes through the point(-6,-9) with slope -5

LUCKY_DIMON [66]

Answer:

y = -5(x +6) -9

Step-by-step explanation:

The point-slope form of the equation for a line can be written as ...

y = m(x -h) +k

for a line with slope m through point (h, k).

You have m=-5 and (h, k) = (-6, -9). Filling in these values gives ...

y = -5(x -(-6)) -9

Simplifying a bit, you get ...

y = -5(x +6) -9

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