Makayla works as a teacher at Dacula Middle School. She earns $150 just for coming to work and an additional $200 for each hour worked. The linear function T(x) = 200x + 150 represents Makayla's earnings T as a function of time worked x (in hours). Solve and interpret the meaning of T(7) in the context of this problem. A.
T(7) = 1550; Makayla worked 7 hours and earned $1,550.

B.
T(7) = 1250; Makayla worked 7 hours and earned $1,250.

C.
T(7) = 150; Makayla worked 7 hours and earned $150.

D.
T(7) = 200; Makayla worked 7 hours and earned $200.