Answer:
D.
Step-by-step explanation:
The point must be a critical point but it could be a saddle point. If the point is a saddle point it would not be neither a maximum nor a minimum. So it must be critical but it does not follow directly that it has a local maximum or local minimum.
Therefore D. (a,b) would be a candidate, but is not necessarily a maximum or minimum. It could be a saddle.
Answer:
no
Step-by-step explanation:
4m + 12 ≠ 2m + 12
Answer:
I think 2 but sorry if I'm wrong
Step-by-step explanation:
Answer:
<em>The</em><em> </em><em>required</em><em> </em><em>equation</em><em> </em><em>is</em><em> </em><em>5x-y-51</em><em> </em><em>=</em><em> </em><em>0</em>
Step-by-step explanation:

<em>HAVE A NICE DAY</em><em>!</em>
<em>THANKS FOR GIVING ME THE OPPORTUNITY</em><em> </em><em>TO ANSWER YOUR QUESTION</em><em>. </em>
Sam gets (500/10)*3=150<span>£
harry gets (150/100)*35= 52.5</span>£