The three statements that are true about this situation using function notation are;
- f(0) = 1.5ft
- f(60) = 4ft
- f(80) < 3ft
Equality and inequality statements
The statements which can be deduced from the graph as given in the question are as listed above in which case, the distance from post in feet is a function of the time in seconds.
The function given is an elongated curve and can be represented by notation as, f(t) whose value is plotted on the vertical axis against t, whose value is plotted on the horizontal axis.
Where; t = time and f(t) = distance from post in feet
Hence, by considering the graph;
- The point t =0 corresponds to f(t) = 1.5ft (vertical intercept).
- Similarly, the point t=60 corresponds to f(t) = 4ft.
- The point t=80 on the other hand corresponds to a point, less than 3ft; Hence, f(80) < 3ft.
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