only need number 3 .

Suppose . f( - 9) = - 6 and f'( - 9) = - 2 . g( - 9) = 6 and g'( - 9) = - 5 . h( - 9) = 2 and h'( - 9) = 9. 9f(x) - 10g(z) 95 1. The derivative of at - 9 is equal to h(I) 2 2. The derivative of sin(7( - 9f(x) - 10g(x))) at - 9 is equal to | 687 3. The derivative of tan(rf(x) )h(x) at - 9 is equal to Basic Funcs Question Help: ) Written Example