Which is the graph of the piecewise function f(x)? pleaaase u

Take a look at f(x) = -x + 1. Its slope is negative and its y-intercept is +1.

Right away, we can eliminate the 3rd and 4th graphs, because they show positive slopes for x≤1.

Take another look: f(x) = -x + 1. When x = 0, y = 1. Thus, the y-intercept is (0,1).

The first graph shows this intercept correctly; the second does not. So the correct answe is "the first graph."

f

step-by-step explanation:

f

6 hours 48 min

step-by-step explanation:

68÷5=13.6

13.6×30=408min=6 hours 48 min.

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