Question

which expression means not less than twice n? A.. 2n - 9B. 2(n - 9)C. 9 - 2nD. 9 - 2 + nE. (9 - 2)n

Answer 1

We have to write an expression for "not less than twice n".

If the variable is x, then x has to be greater or equal (>=) than twice n, or 2n:

$x\ge2n$