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Fudgin [204]
3 years ago
13

A. Use composition to prove whether or not the functions are inverses of each other. B. Express the domain of the compositions u

sing interval notation.
https://bossier.owschools.com/media/g_alg02_ccss_2016/1/g_alg02u01q10_q33_ps.gif
Please help me...
Mathematics
1 answer:
Alex73 [517]3 years ago
7 0
The link doesn't work
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What is an angle complimentary of 3?
Sergio039 [100]

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∠2

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3 years ago
E If M P = Rs 420,SP. 405 then<br>find discount​
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6 0
2 years ago
What is the focus of the parabola given the equation y=x^2+4x-1
IrinaK [193]
Let's first rewrite it in vertex form.
Start by completing the square.
y = x² + 4x + 4 - 4 - 1
y = (x + 2)² - 5
(x + 2)² = y + 5

Now, 4a = 1; a = \frac{1}{4}

So, the vertex form is (x + 2)² = 4(\frac{1}{4})(y + 5)
So, we know that the vertex is at (-2, -5).
Since it's a concave up parabola, we just have to change the y-value to find the focus.

∴ F(-2, -5 + \frac{1}{4})
F(-2, \frac{-19}{4})
3 0
2 years ago
-1/2 + 2/3= <br> Give simplified answer
babunello [35]
You need a common denominator of 6 because it's the least common denominator of 2 and 3. So you can change -1/2 to -3/6. And change 2/3 to 4/6. The new equation would be -3/6 + 4/6 = 1/6.
6 0
3 years ago
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