A student uses approximately 40 to 45 gallons of gasoline per month. The cost of gasoline varies between 2.96 $ and $3.61 per gallon which of the following is a reasonable estimate of the students weekly gasoline expensive

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.