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quixie quixie
wrote...
8 years ago
Find the linear approximation, L(x), to f(x) at x = x0

f(x) = cos9x, x0 = pi/2
 
a. L(x) = 9x-9pi/2

b. L(x) = -9x+9pi/2

c. L(x) = (-1/9)x+2pi/9

d. L(x) = -(2pi/9)x-1/9
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wrote...
Educator
8 years ago
Hello Quixie,

See if this helps...
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quixie Author
wrote...
8 years ago
Thanks for the explanation!
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