Functions and Relations Question
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Grade 10 Functions and Relations CCSS: HSA-REI.D.11
The functions f(x)=3x2-5x-2 and g(x)=2x2-2x+8 are graphed on the same set of axes. What is true about the points of intersection of the two functions? Choose all correct answers.
- Without seeing the graph, there is no way to determine if there are any intersection points.
- The intersection points occur where f(x)=g(x).
- f(5)=48 and g(5)=48, so 5 is an x-coordinate of a point where the two functions intersect.
- f(0)=-2 and g(-2)=20, so (0,20) is a point of intersection.