1)
This data set is shown looking like this.
A[10, 3, 15]
B[ 5, 8, 10]
C[ 3, 16, 4]
Answers:
a. A varies jointly with B and C
b. B varies jointly with A and C
c. C varies jointly with A and B
d. C varies directly with A and inversely with B
2)Simplify
(1)/(1-x) + (x)/(x-1)
a. 1
b...