Does this graph represent a function? why or why not?
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a. no, because it fails the vertical line test.
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b. yes, because it is a curved line.
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c. yes, because it passes the vertical line test.
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d. no, because it is not a straight line,

What are the domain and range of the function? f(x) = -4 (sqrt)x

The weights of players in a basketball league are distributed normally. the distance (d) of each player's weight (w) from the mean of 86 kilograms was computed as follows: d = |w - 86| if d is greater than 7 for approximately 5% of the players, what is the approximate standard deviation of the players' weights? a. 1.75 kilograms b. 3.5 kilograms c. 4.3 kilograms d. 7 kilograms

Segment ab is shown on the graph. which shows how to find the x-coordinate of the point that will divide ab into a 2: 3 ratio using the formula