How do you solve using elimination of #x+y=10# and #x-y=2#?
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"Suppose that I don't have a formula for #g(x)# but I know that #g(1)
= 3# and #g'(x) = sqrt(x^2+15)# for all x. How do I use a linear approximation to estimate #g(0.9)# and #g(1.1)#?"
1 Answer
Nov 8, 2015
By adding the two equations together you eliminate the
Alternately, subtract one equation form the other eliminating the
Explanation:
Given
[1]
[2]
Add [1] and [2]
[3]
Subtract [2] from [1]
[5]
