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sergiy2304 [10]
3 years ago
9

Write a numerical expression for eight less than 5

Mathematics
1 answer:
Dovator [93]3 years ago
4 0

Answer:

5-8

Step-by-step explanation:

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Given f(x)=3x+12, find f(f^-1(0))
mamaluj [8]

Answer:

<h2>0</h2>

Step-by-step explanation:

METHOD 1.

We know:

f\bigg(f^{-1}(x)\bigg)=x

Therefore

f\bigg(f^{-1}(0)\bigg)=0

METHOD 2.

\text{Find}\ f^{-1}(x)

f(x)=3x+12\to y=3x+12

exchange x to y and vice versa:

x=3y+12

solve for y:

3y+12=x          <em>  subtract 12 from both sides</em>

3y=x-12        <em>divide both sides by 3</em>

y=\dfrac{x-12}{3}\to f^{-1}(x)=\dfrac{x-12}{3}

f\bigg(f^{-1}(x)\bigg)\to    replace x in f(x) with the expression\dfrac{x-12}{3}

f\bigg(f^{-1}(x)\bigg)=3\cdot\dfrac{x-12}{3}+12=x-12+12=x

f\bigg(f^{-1}(0)\bigg)\to put x = 0 to f\bigg(f^{-1}(x)\bigg)=x

f\bigg(f^{-1}(0)\bigg)=0

METHOD 3.

\text{Find}\ f^{-1}(x)

f^{-1}(x)=\dfrac{x-12}{3}

Calculate the value of <em>f</em> ⁻¹(x) for x = 0:

f^{-1}(0)=\dfrac{0-12}{3}=\dfrac{-12}{3}=-4

Calculate the value of <em>f(x)</em> for x = -4:

f(4)=3(-4)+12=-12+12=0

6 0
4 years ago
If TUVW is a parallelogram what is the length of TU
Triss [41]
Its the same as the length of VW
without any more info that is all you can say.
7 0
3 years ago
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find the balance of an account that started with $450 at 6% simple interest for 2 years show work plz
Mashcka [7]

Answer:

4000 rounded about

Step-by-step explanation:


3 0
3 years ago
Find the product <br> −1(2x+10)<br> is <br> −2x−10<br> .
givi [52]
Yes, that is correct due to the distributive property. It states that you can distribute a number to another number.
for example: a(b + c) = ab + ac
in this case, you are distributing the -1 into the 2x + 10
-1(2x + 10)
(-1) * (2x) + (-1) * (10)
(-2x) + (-10)
-2x - 10
6 0
4 years ago
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Describe how to sketch the graph of y = –tan(2x) + 3 using the parent function.
Over [174]

Answer:

I think you should just follow what that person said

8 0
3 years ago
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