Answer:
a = -1
Step-by-step explanation:
first you make the x 0 and the y 0
0 = (0 - 1)^2 + a
0 = (-1)^2 + a
then you deal with the exponent
0 = 1 + a
lastly you subtract everything by 1
-1 = a
that is your answer
T stands for time
is the answer open circle?
what the options