Thanks guys for your help! I really appreciate it! Could you tell me if I did these four problems correctly?
c) Your first two terms are correct. For the third term, rewrite it as:
Now you just have a constant times x.
For the 4th term, let's write:
take the natural log of both sides:
Implicitly differentiate:
d) For the first term you need to apply the product rule, and for the second term use:
e) Apply the quotient rule.
f) Correct.
g) You neglected to apply the chain rule to the argument of the trigonometric term in the numerator. Otherwise, it is correct.
j) In the denominator of the result, you want the first binomial factor to be squared. I would write the result as: