題組內容

2. f(z, s) is a differentiable function. On the curve 6329214765db8.jpg, f obtains local macimumn at6329216383195.jpg.

(b) Assume that on another curve63292199f2104.jpg , f obtains local naximumn at (Jc0,yo) which is near 632921b1197ac.jpg

. Use linear epproimation to estimate632921c5acb34.jpg