It’s a function if it passes the vertical line test or pencil test. Using a pencil and following the function if it touches the pencil in more then one spot it is not a function. 1. Function 2. Function but can be placed in not enough information 3. Not a function 4. Function 5. Function 6. Not a function
1. Translate words into equation : Brian= b Natasha =n N+3n=88 (because brian has 3x more than natasha u can rewrite b as 3n) 2. Solve : 4n=88 (divide by 4) N=22 so natasha has 22 marbles and since b=3n, brian has 66 marbles
