Where should you place parentheses in the expression 2 + 6 ÷ 2 + 4 × 3 so that the value of the expression is 16? Multiple choice question

What is the name used to describe a graph where for some value of x, there exists 2 or more different values of y?

If f(x)=3x+1 and f^-1=x-1/3, then f^-1(7)=

Amir wants to proportionally increase the size of a photo to create a poster for his room. the size of the original photo is shown. complete the statement and then answer the question to represent ways that amir can increase the size of his photo.