Tengo esta función y necesito saber si es inyectiva y la verdad es que estoy en blanco R²→R²

F(x, y)=(2x-y,-x+y)

im not sure

step-by-step explanation:

0.0076, if you meant 4.125 divided by 0.03125 it would be 132

step-by-step explanation:

first you have to move the decimal in 0.03125 over until its behind the 5 which is 5 places over. now the number is 3125

then you have to move the decimal in 4.125, 5 places over. now the number is 4,112,500.

now you divide like you would normally would and get 0.0076

step-by-step explanation:

im not sure what the answer is

answer: 8

step-by-step explanation: if you add the possibilities 5 different flavor and 3 different sizes 5+3=8