Solve the problem.The following data represents the Olympic winning time in Women's 100 m Freestyle. 
Find the slope of the line of best fit for the data set and interpret it.
What will be an ideal response?
The slope is about -0.12616 which means that the winning time is decreasing by 0.12616 of a second each year.
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Find the vertex of the quadratic equation's graph and determine whether the graph opens up or down.y = -x2 + 4x - 12
A. 
, down
B. 
, up
C. 
, up
D. 
, down
A small country consists of four states (State 1, State 2, State 3, and State 4). The total population of the country is 400,000. The standard quotas are q1 = 179.8, q2 = 129.6, q3 = 79.2, and q4 = 11.4 respectively.The standard divisor is
A. 1000. B. 4000. C. 400. D. 100. E. none of these
Find an equation of the line having the given slope and containing the given point. m = 2; (-3, 4)
A. x = 2y - 10 B. y = 2x - 10 C. y = 2x + 10 D. x = 2y + 10
Graph the function.f(x) = 
A. 
B. 
C. 
D. 