Answer:
That's a lot of points for a question like this
Evaluate f(1) then set equal to 5.
No solution
A cross-section is the shape that would be exposed when cutting straight through a 3-D object. for example, cutting horizontally through a regular cone would expose a circle.
an intersection is where 2 or more shapes (does not matter how many dimensions) overlap. for example, the point at which two lines overlap is the intersection. or the area that two overlapping circles share is the intersection.
4/5 = 8/10 = 12/15 = 16/20 = 20/25
Hope it helps
