2 (4x - 1 ) = 8x -1. Is it one solution no solution or infintely

Find the number of positive three-digit even integers whose digits are among 9, 8, 7,5, 3, and 1.

In the xy-plane, if the parabola with equation passes through the point (-1, -1), which of the following must be true?

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.