7. [-/3 Points] LS MY NOTES LARCALCETS 3.7.009. ASKYOUR TEACHER A point is moving zlong the graph of the given function at the rate % Find % (in ft/sec) for the indicated given values of x. = tan(x); I:'.:. = 4 feet per second (a3l x=- E 3 b} x=-2 4 ch ==40 9. [0/1 Points] DETAILS MY NOTES LARCALCET8 4.1.007. PREVIOUS ANSWERS ASK YOUR TEACHER Find the value of the derivative (if it exists) at the indicated extremum. (If an answer does not exist, enter DNE.) g(x) = x+ 4 NWAUO (2, 3) 2 3 4 5 6 g (2) = X4. [-/1 Points] DETAILS MY NOTES LARCALCETS 3.6.012.MI. ASK YOUR TEACHER Verify that f has an inverse function. Then use the function fand the given function value ((x) = a to find (F*)'(a). (Hint: See Example 1. If an answer does not exist, enter DNE.) F(x) = x+9 x + 1 x >-1, A(7) = 2 (F - 1)'(2) =