Question

-3(x+y) +4(2x-3y) -(2x-y) for x= -2 and y= 1​

Answer 1

Answer:

-20

Step-by-step explanation:

by putting the value of x and y in the equation

Answer 2

Answer:

4. f(x, y) = (x² – 5y² let SALE 1 5. f(x, y)=(x2 - 5y? +4 3y 6. f(x, y) = x 7. f(x, y)=6 8. f(x, y)=In(xy + 2x - 6y) x? – 5y? 9. f(x,y)= y4 – 5x4 f and f, for the function given