PLEASE HELP KHAN ACADEMY! ALGEBRA

Graph the function.
g(x) = x2 + 4x + 1

The graph of the quadratic function shown on the left is y = –0.7(x + 3)(x – 4). the roots, or zeros, of the function are . determine the solutions to the related equation 0 = –0.7(x + 3)(x – 4). the solutions to the equation are x =

The table above shows approximate conversions from gallons to liters. what is the value of x?

43lbs of tomatos cost $387. how much would 41lbs cost