Solve. {y=x−75x+2y=7 use the substitution method. (3, −4) (−1, −8) (7, 0) (0, −7)

What graph correctly matches the equation y equals two negative x

Leslie started last week with $1200 in her checking account. during the week, she wrote the checks below.

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