The sum of these numbers is 3+7+11+

What is the difference between regular convex and concave polygons

Identify which functions are linear or non-linear. a. f(x) = x2 + 1 b. f(x) = 2x + 5 c. f(x) = x 2 + 3 d. f(x) = 3 x + 7 e. f(x) = 4x + 10 2 - 5

Find the value of x. give reasons to justify your solutions! l, m ∈ kn