Answer
<em>A</em><em>s</em><em>s</em><em>a</em><em>l</em><em>a</em><em>m</em><em> </em><em>w</em><em>a</em><em>l</em><em>i</em><em>a</em><em>k</em><em>u</em><em>m</em><em> </em>
Hello :
<span>y = 2(x + 3)² - 5
y = 2(x²+6x+9) -5
y = 2x² +12x +13...(answer : </span><span>A) y=2x^2+12x+13 )</span>
Answer:
X = 108.
Step-by-step explanation:
Heights are equal, So equation will be,
![4 + 3 \sqrt{x - 8} = 34](https://tex.z-dn.net/?f=4%20%2B%203%20%5Csqrt%7Bx%20-%208%7D%20%20%3D%2034)
So, solving the eq.
Subtract 4 from both sides ,
![3 \sqrt{x - 8} = 30](https://tex.z-dn.net/?f=3%20%5Csqrt%7Bx%20-%208%7D%20%20%3D%2030)
Divide 3 to both sides,
![\sqrt{x - 8} = 10](https://tex.z-dn.net/?f=%20%5Csqrt%7Bx%20-%208%7D%20%20%3D%2010)
Squaring both sides,
![x - 8 = 100](https://tex.z-dn.net/?f=x%20-%208%20%3D%20100)
Add 8 to both sides,
![x = 108](https://tex.z-dn.net/?f=x%20%3D%20108)