Question

33. An expression is shown.7nWhich expression is equivalent?A3n + 4n83 + n + 4 + n©7+nD3n + 4

Answer 1

3n + 4n is equivalent

Here, we want to select the expression that is equal to 7n

To get 7n, we need to add up terms with n in them

We look at the options as follows;

a) 3n + 4n is same as n(3+4) = n(7) = 7n

This makes this choice equivalent to 7n