Given y = f(u) and u = g(x), find dy/dx = f'(g(x))g'(x).y = tan u, u = -7x + 6
A. sec2(-7x + 6)
B. - sec2(-7x + 6)
C. -7 sec2(-7x + 6)
D. -7 sec (-7x + 6) tan (-7x + 6)
Answer: C
Mathematics
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