exam Maths Puzzle Numerical Ability

I can not find any example to help me solve this problem Please help
A car was purchased for $25,500. The Value of the car decreases by $3200 per year for each of the first si

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exam Other Question
A Christmas tree is supported by a wire that is 1 foot longer than the height of the tree. The wire is anchored at a point whose distance from the base of the tree is 49 feet short Could someone PLEASE show me the graphs for these equations? I have several questions like them, and it would help me a great deal! Thank you!
(a) 2
(b) 1/2
(c) -2
(d) -1/2