1. a relation described in word format (17 letter) is <span> "is direct variation"
9. a way to name a function identifying its input (16 letter) is "</span><span>f of x equals x square"
</span>
1*1=1
2*2=4
3*3=9
4*4=16
5*5=25
6*6=36
7*7=49
8*8=64
9*9=81
10*10=100
11*11=121
12*12=144
13*13=169
14*14=196
15*15=225
A week is 7 days. so 16 divided by 7 is 2 with a remainder of 2. so she spent two weeks and two days in south africa.