A force of 7 pounds compresses a 15-inch spring a total of 3 inches. How much work is done in compressing the spring from a length of 7 inches to a length of 2 inches

What’s the answer ? use the picture to see the problem

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.

Which geometric principle is used to justify the construction below?