Is finding the value for the variable the only solution to real-world problems?

You need to solve a system of equations. you decide to use the elimination method. which of these is not allowed? 3x - 2y = 7 3x + 4y = 17 equation 1 equation 2

The functions below show the amount of money bella and sweet t had saved after earning money for doing chores. which description best compares the two functions?

For a function f(x), a) if f(7) = 22 then f^-1(22) = b) f^-1(f(c)) =