For 16 its asking to go from (0,0 ) To the point given.
On 17. Point a dot at each point given. Then draw the triangle.
Hope this helps.
In order: 6, 6, 12
1st: l x w | 3 * 2
2nd: 1/2(l x w) | 1/2(12)
3rd: 1st + 2nd | 12
F(4)=6(4) +3
= 24+3=27
F(4)=27.
X/X+5=-2
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