Answer :
f(x) = x² -3x +(3/2)² -10 -(3/2)²
= (x -3/2)² -10 -9/4
f(x) = (x -1.5)² -12.25
= (x -3/2)² -10 -9/4
f(x) = (x -1.5)² -12.25

Answer:
If your doing usatestprep its D
Step-by-step explanation: