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Evgen [1.6K]
3 years ago
9

What is the y-intercept of x=0?

Mathematics
2 answers:
Arisa [49]3 years ago
8 0
Undefined. That equation is the y axis and therefore intercepts the y axis at every point
Delvig [45]3 years ago
6 0
There isn’t a y intercept
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Please look at a the attached image below, it’s urgent
sveta [45]

Answer:

40⁰ is angle boc

Aod is 75⁰ hope it's help yo

4 0
2 years ago
A function f(x)=3x+12.
seraphim [82]
If you're using the app, try seeing this answer through your browser:  brainly.com/question/2822258

_______________


•  Function:   f(x) = 3x + 12.


A.  Finding the inverse of f.

The composition of f with its inverse results in the identity function:

(f o g)(x) = x

f[ g(x) ] = x

3 · g(x) + 12 = x

3 · g(x) = x – 12

              x – 12
g(x)  =  ⸺⸺
                 3

               x 
g(x)  =  ⸺  –  4    <———    this is the inverse of f.
               3

________


B.  Verifying that the composition of f and g gives us the identity function:

•  \mathsf{(f\circ g)(x)}

\mathsf{=f\big[g(x)\big]}\\\\\\ \mathsf{=3\cdot \left(\dfrac{x}{3}-4\right)+12}\\\\\\&#10;\mathsf{=\diagup\hspace{-7}3\cdot \dfrac{x}{\diagup\hspace{-7}3}-3\cdot 4+12}\\\\\\&#10;\mathsf{=x-12+12}\\\\&#10;\mathsf{=x\qquad\quad\checkmark}


and also

•  \mathsf{(g\circ f)(x)}

\mathsf{=g\big[f(x)\big]}\\\\\\ \mathsf{=\dfrac{f(x)}{3}-4}\\\\\\ \mathsf{=\dfrac{3x+12}{3}-4}\\\\\\&#10;\mathsf{=\dfrac{\diagup\hspace{-7}3\cdot (x+4)}{\diagup\hspace{-7}3}-4}\\\\\\&#10;\mathsf{=x+4-4}\\\\&#10;\mathsf{=x\qquad\quad\checkmark}

________


C.  Since f and g are inverse, then

f(g(– 2))

= (f o g)(– 2)

= – 2          <span>✔
</span>

•  Call h the compositon of f and g. So,

h(x) = (f o g)(x)

h(x) = x


As you can see above, there is no restriction for h. Therefore, the domain of h is R (all real numbers).


I hope this helps. =)

5 0
3 years ago
Find the quotient 54÷3=
dangina [55]
60/3=20 57/3=19 54/3=18
7 0
3 years ago
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f you save $3,000 at an interest rate of 14 percent per year, how much will you have at the end of six years?
Orlov [11]
In six years you will have 84% to get that mutiply 14×6 and there you have 84%
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3 years ago
Cheryl wants to find the number of hours seventh-graders do homework each week. There are 297 girls and boys in seventh grade. W
serious [3.7K]
It would be answer D
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