What is the value of f(x) when x = -3? f(x)= -2x-3 f(-3)=???
2 answers:
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Given:
The location of 4 points on a coordinate plane.
To find:
The points whose y-coordinate is less than -1.5.
Solution:
From the given graph it is clear that, the coordinates of the given points are A(2,1), B(-4,-4), C(-1,1) and D(1.5,-2).
For the point A(2,1), the y-coordinate is .
For the point B(-4,-4), the y-coordinate is .
For the point C(-1,1), the y-coordinate is .
For the point D(1.5,-2), the y-coordinate is .
The y-coordinates of the points B and D are less than -1.5.
Therefore, the correct options are B and D.