5/2- blank=1/3 please help me soon as posible

Given f(t) = 282 - 53 +1, determine the function value f(2). do not include f(z) = in your answer

Is there a direction u in which the rate of change of f(x,y)equals=x squared minus 3 xy plus 4 y squaredx2−3xy+4y2 at p(1,2) equals 14? give reasons for your answer. choose the correct answer below. a. no. the given rate of change is smaller than the minimum rate of change. b. no. the given rate of change is larger than the maximum rate of change. c. yes. the given rate of change is larger than the minimum rate of change and smaller than the maximum rate of change.

If 3 3/4 lb. of candy costs 20.25 how much would 1lb. of candy cost