The position of a particle moving along the x-axis at time t>0 seconds is x(t)=e^(t)-\sqrt(t) feet. In what direction and how fast is the particle moving at t=1?
A) Moving left at a speed of e^(1)-\sqrt(1) feet per second
B) Moving right at a speed of e^(1)-\sqrt(1) feet per second
C) Moving left at a speed of e^(1)+(1)/(2) feet per second
D) Moving right at a speed of e^(1)+(1)/(2) feet per second