What is the definition of perpendicular lines?

What is the total surface area of the square pyramid

Taylor graphs the system below on her graphing calculator and decides that f(x)=g(x) at x=0, x=1, and x=3. provide taylor some feedback that explains which part of her answer is incorrect and why it is incorrect. f(x)=2x+1 g(x)=2x^2+1

Order 1100000, 314000, 965000, 1890000, from least to greatest.