Barrons AP Calculus

(A) At  x   =   3,  the equation    of  the tangent line    is  y   −   8   =   −4(x    −   3), so  f   (x) 

    −4(x    −   3)  +   8.  f   (3.02)      −4(0.02)    +   8.

(D) Let u   =   2x  and note    that    .

Then    .