∴∠DBC=45
When t≤ 1, BP=BQ.
CM∑PQ is above C.
∴△BPQ∽△BCM
When ∴0≤t≤ 1, the distance between PQs increases in the form of a linear function.
When 1≤t≤ radical number 2, BP=t, CQ=t- 1.
PQ decreases with the increase of x, which is not a linear function decrease.
choose one
Lecturer's speech 1
Our training classroom can accommodate more than 40 people, and sometimes there will be fewer people attending the training, only five or six or a