Answer:
161cm2
Step-by-step explanation:
Area: 1/2 x base x height
1/2 x 14 x 23=161
Area is measured in cm2 
Hope this helps!
 
        
             
        
        
        
Answer:
[-5, 4) ∪ (4, ∞)
Step-by-step explanation:
Given functions:


Composite function:
![\begin{aligned}(f\:o\:g)(x)&=f[g(x)]\\ & =\dfrac{1}{\sqrt{x+5}-3} \end{aligned}](https://tex.z-dn.net/?f=%5Cbegin%7Baligned%7D%28f%5C%3Ao%5C%3Ag%29%28x%29%26%3Df%5Bg%28x%29%5D%5C%5C%20%26%20%3D%5Cdfrac%7B1%7D%7B%5Csqrt%7Bx%2B5%7D-3%7D%20%5Cend%7Baligned%7D)
Domain: input values (x-values)
For  to be defined:
 to be defined:


Therefore,  and
  and  
⇒  [-5, 4) ∪ (4, ∞)
 
        
             
        
        
        
<span>4x +5=9x-2
9x - 4x = 5 + 2
5x = 7
  x = 7/5
  x = 1.4</span>
        
             
        
        
        
Answer:

Step-by-step explanation:









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