Given f (x)=x^ 2 -3 and g(x)=2x+ 1 17. f(g(x)) 18. g(f(x)) 19. f(f(x)) 20. g(g(x))

there is the answer to f (x)=x^ 2 -3 and g(x)=2x+ 1 17. f(g(x)) 18. g(f(x)) 19. f(f(x)) 20. g(g(x))  

Step-by-step explanation: this was hard to do - pandamathhelper

4th option is correct xy=-10

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for this case we have by definition, if two lines are perpendicular, then the product of their slopes is -1.

then, given the following line:

so,

we are looking for m_ {2}:

then, the line is given by:

we find "b" replacing the given point:

finally, the equation is:

option c