Alek went for a walk.
$D(t)$ models the distance Alek walked (in kilometers) after $t$ hours.
**What does the statement $D(0.5)<D(1)-D(0.5)$ mean?**
[[☃ radio 2]]
Learn To Be brings free online tutoring students around the United States. Volunteer and gain community service hours while helping students who need it./p>