Which of the following running times for a program
consistent with the hypothesis that the order of growth of the
program is quadratic
1 second for N = 1,000,000, 2 seconds for N = 2,000,000, 8
seconds for N = 8,000,000
1 second for N = 100,000, 4 seconds for N = 200,000, 16 seconds
for N = 400,000
1 second for N = 100,000, 8 seconds for N = 200,000, 64 seconds
for N = 400,000
1 second for N = 100,000, 4 seconds for N = 200,000, 32 seconds
for N = 800,000
1 second for N = 100,000, 4 seconds for N = 200,000, 64 seconds
for N = 800,000