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Lady bird [3.3K]
3 years ago
6

What is the inverse of the function f(x) = one-ninthx + 2?

Mathematics
1 answer:
Bumek [7]3 years ago
3 0

Answer:   9x - 18

<u>Step-by-step explanation:</u>

Inverse is when you swap the x's and y's and solve for y

\text{Given: }\quad y=\dfrac{1}{9}x+2\\\\\text{Swapped: }x=\dfrac{1}{9}y+2\\\\.\qquad \quad x-2=\dfrac{1}{9}y\\\\.\qquad  9(x-2)=y\\\\.\quad \large\boxed{9x-18=y}

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Help me pls UoU Uwu<br> \djjn
Nataly [62]

Answer:

y = 4x + 14

Step-by-step explanation:

slope-intercept form: y = mx + b

Slope formula: \frac{y2-y1}{x2-x1}

To write the equation in y = mx + b form, we need to find the slope(m) and the y-intercept(b) of the equation.

To find the slope, take two points from the table(in this example I'll use points (0, 14) and (1, 18)) and input them into the slope formula:

\frac{18-14}{1-0}

Simplify:

18 - 14 = 4

1 - 0 = 1

\frac{4}{1}=4

The slope is 4.

To find the y-intercept, input the values of the slope and one point(in this example I'll use point (1, 18)) into the equation format and solve for b:

y = mx + b

18 = 4(1) + b

18 = 4 + b

14 = b

The y-intercept is 14.

Now that we know the slope and the y-intercept, we can write the equation:

y = 4x + 14

3 0
3 years ago
3h-k=10<br>h-k=2<br>can u guys please help me
katen-ka-za [31]
Hi, hope this helps :)

8 0
3 years ago
20x^2/12x+8 simplified
shepuryov [24]
  1. 20/12 4
  2. 52/3
  3. 52+/3.+8

<h2 />

8 0
3 years ago
Is x=-2 a solution for the equation below?
Misha Larkins [42]

Answer:

no

Step-by-step explanation:

-7+x^2-3x      =       9+x-10

-7+(-2)^2-3*(-2)                   9+(-2)-10

-7+4+6                                9-12

3                   >                      -3

if we substitute -2 to x, answer is not equal

3 0
3 years ago
Read 2 more answers
What is 0.3 as in the 3 repeating (i forgot what its called) as a simplified fraction?
NARA [144]
0.3333333333... = 1/3

You can just say 0.3 repeating to say 0.33333...
7 0
3 years ago
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