Xiao Ming s kitchen is equipped with piped gas, and the initial installation fee is 2,300 yuan, and

Updated on Kitchen 2024-08-21
1 answers
  1. Anonymous users2024-01-24

    Solution: (1) It can be seen from the image that when t is 40, the function value corresponding to the straight line passing through (0,4300) is higher than the function value corresponding to the other straight line, and after 40 months, the fire cost of Xiao Ming's family is cheaper than that of Xiao Gang's family;

    2）2300+40×，40×100+2b=4300；

    Solution: a=, b=150.

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