Answer:

<h3><u>f(</u><u>3</u><u>) =15</u> is the right answer.</h3>
 
        
             
        
        
        
Answer:
<m is equal to the measure of <Z
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The solution for x is D=-4
 
        
        
        
Answer:
(2k+1)(k+3)
Step-by-step explanation:
14k²+49k+21
simplify by dividing the whole equation by 7
2k²+7k+3
factorise
(2k+1)(k+3)