What is the formula for the product of 2 ad the square of a number, x less than 6

Question

What is the formula for the product of 2 ad the square of a number, x less than 6

Answer 1

2x^2 with x<6

if 0<x<6

then

2x^2 < 2(6^2) = 2(36) = 72

2x^2 < 72

x^2 <36

x < 6