Tim goes in a car journey. for the first 15 minutes his average speed is 40mph. he then stops for 25 minutes. he then completes
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Answer:
F(f) = 15t + 35 represents the total amount of savings your friend would make in t weeks.
F(d) = 10t + 90 represents the total amount of saving you, darian, would make in t weeks.
When you graph the equations, plugging in different values for t, you can see that the graphs intersect at (11,200). This means that at 11 weeks, both you and your friend have the same amount of money saved up, $200. They will not have the same amount of money in 10 weeks.
Answer:
the range of all the function is [-1, + infinity[
but when it limits the domain it gonna be
(-1,0,3,8)
