The table below represents the distance of a car from its destination as a function of time:
Part A: What is the y-intercept of the function, and what does this tell you about the car? (4 points)
Part B: Calculate the average rate of change of the function represented by the table between x = 1 to x = 3, and tell what the average rate represents. (4 points)
Part C: What would be the domain of this function if the car traveled the same rate until it reached its destination? (2 points)
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can you help meh please? @marihelenh
For part A, the y intercept is when y is equal to zero. If you look at your data, you already have the y intercept value.
so the car is at 0? right. so that would be for part A
Part A y-intercept the value of y when x = 0 read
Part B average rate of change of the function = slope = change in y divided by change in x
f(3) -f(1) / 3-1 =
what does change in distance / time represent?
Part C what is the value of t when y = 0
how long does it take to get to the destination?
the domain is the set of x-values that satisfies the function
domain will be from 0 to t
t is the time
thank you very much @triciaal . I got it already! :) but do you think you can help me with another one?