If f(x)= 3x^2-x^3 find f'(1) and use it to find the equation of the tangent line to the curve y=3x^2-x^3 at the point (1,2) find f'(a)

Rose bought a new hat when she was on vacation. the following formula describes the percent sales tax rose paid b=t-c/c

Which equation is equivalent to the given expression? -(1/2y+1/4) a. -1/4(1+2y) b. 1/4(2y-1) c. -2(1/4y-1/8) d. 2(1/8-1/4y)

Find the directions in which the function increases and decreases most rapidly at upper p 0p0. then find the derivatives of the function in these directions. f(x,y)equals=x squared plus xy plus y squaredx2+xy+y2, upper p 0p0left parenthesis 1 comma negative 4 right parenthesis