Question

What is the upper bound for the following time function? Determine which constant c and n0 can be used to verify the upper bound.
[ f(n) = 7n² - 3n + 8 ]
a) c = 8, n0 = 1
b) c = 7, n0 = 3
c) c = 1, n0 = 8
d) c = 3, n0 = 7