this is Calculus

1. (Exam 2 Review #2b,d) Find the following limits A. [2.5 pts] lim cos(0) - 1 0-+0 sin(0) B. [2.5 pts] lim csc(x ) sin(sin(a)). 1-+0 2. (Exam 2 Review #8) Suppose 4x2 + 9y = 36, where a and y are functions of t. A. [2.5 pts] If find when a - 2 and y LO B. [2.5 pts] If = 3, find when - 2 and y 3. (Exam 2 Review #9) [5 pts] Define h(2) - f(2)9(2) Now, suppose f (2) = 7, f' (2) = -5, 9(2) = 3, 9(2) - 4 Find h' (2) 4. (Exam 2 Review #11b) [5 pts] Find the differential of the function at the indicated number. f(x) = V2 7 14; 2 =4