A planetary body moves along a path modeled by the function f(x) = -x2 + 3x - 15. This path is laid over a coordinate grid so that astronomers can identify when the planet will come in contact with
another path represented by the x-axis. At what point(s) will the paths cross?

the formula of a slope:

from a table we have

substitute:

the slope of f(x) is -1.

the graph of funcfion g(x) is a horizontal line. the slope of a horizontal line is equal 0. therefore the slope of g(x) is 0.

-1 < 0

yes, i think so although i am not sure. this is a very strange question.

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