Which function's graph is the graph of f(x) = 1² shifted

Last updated: 7/8/2022

Which function's graph is the graph of f(x) = 1² shifted left 30 units and down 40 units? a) g(z) = (x+30)² + 40 b) g(z) = (x-30)² + 40 c g(z) = (x-30)² – 40 d g(x)= (x+30)² - 40