When bis doubled and I is halvod, p wil be doubled
Duercters:
1. j varics jointly as m and I, how does j change when
a. m is doubled?
b. both m and I are doubled?
c. mis halved, and I is doubled?
2.
If p is directly proportional to the square of q and inversely as r, how does p change
when
a. q is doubled, and r is halved?
b. both q and rare doubled?
c. both qand rare tripled?​