Casey ran a 100-meter race in 13 seconds. Her distances at certain times during the race are shown in the table. What is the domain for the graph of the function that would model her race?

check the picture below.

well, the angle at the vertex d is clearly not a right-angle, let's check for the one at the vertex f which does look like,   however if it's indeed, that means ef is perpendicular to df, in which case their slopes will be negative reciprocal of each other.

so the negative reciprocal of the slope of ef is 1, however the slope of df is not 1, is 1/2, so nope, they're not perpendicular lines.

just sum

10 + 10 = 20

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step-by-step explanation:

nndncnd cnn

snddnd

the radius is 2 times the diameter.

step-by-step explanation: