Which statement is true about the function f(x)= – the square root of -x?

a) the domain of the function is all negative real numbers.
b) the range of the function is all positive real numbers.
c) the domain and range of the function have opposite signs.
d) the domain and range of the function are the same.

Nine more than four times a number is the same as one less than twice the number. find the number?

50 plz, given the system of equations, match the following items. x + 3 y = 5 x - 3 y = -1 a) x-determinant b) y-determinant c) system determinant match the following to the pictures below.

Efficient homemakers ltd. makes canvas wallets and leather wallets as part of a money-making project. for the canvas wallets, they need two yards of canvas and two yards of leather. for the leather wallets, they need four yards of leather and three yards of canvas. their production unit has purchased 44 yards of leather and 40 yards of canvas. let x be the number of leather wallets and y be the number of canvas wallets. draw the graph showing the feasible region to represent the number of the leather and canvas wallets that can be produced.