Define the quadratic function f having x-intercepts (2,0) and (7,0) and y-intercept (0,7).
f(x)=
a) f(x) = (x-2)(x-7)
b) f(x) = 7x(x-2)(x-7)
c) f(x) = x(x-2)(x-7)
d) f(x) = 7(x-2)(x-7)