If g(x)= 4x^2-16 we’re shifted 9 units to the right and 1 down, what would the new equation be

a. h(x) = 4(x-9)^2-17
b. h(x) = 4(x-7)^2+16
c. h(x) = 4(x-17)^2-9
d. h(x) = 4(x+9)^2-17