Write an exponential function in the form ( y = abˣ ) that goes through the points (0,14) and (2,686).
a) ( y = 14 × 343ˣ )
b) ( y = 14 × 343²ˣ )
c) ( y = 14 × 7ˣ )
d) ( y = 14 × 7²ˣ )