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anonymous
 one year ago
Help please.
anonymous
 one year ago
Help please.

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anonymous
 one year ago
Best ResponseYou've already chosen the best response.0to be differentiable it has to be continuous so \[x^2 = mx+b~at~x = 2\] and the slopes have to be the same so \[2x = m~at~x=2\]

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0plug in 2 and then solve the system for m and b

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Would I plug it into x^2=mx and solve for m?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0you're eventually going to have to put it into both. if you start with 2x = m, then you can get m and substitute it into the top one and solve for b

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0So m would equal 4 and b would equal 4?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0And thats the answer?
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