Graph the following pair of quadratic functions and describe any similarities/differences observed in the graphs. a. both f and g open downward; low point of f is 3 units below the x-axis; the low point of g is 3 units above the x-axis b. both f and g open upward; low point of f is 3 units above the x-axis; the low point of g is 3 units below the x-axis c. both f and g open upward; low point of f is 3 units below the x-axis; the low point of g is 3 units above the x-axis d. both f and g open downward; low point of f is 3 units above the x-axis; the low point of g is 3 units below the x-axis Please select the best answer from the choices provided