Question

Given f(x)=x^2-8 and g(x)=x+1/x, find (g o f)(1)

[Hint:(g o f)(-4)=(g(f(-4))]
a.)8/7 b.)8 c.)6/7 d.)-8

Answer 1

f(1) is equal to 1^2-8, or -7.

g(x) is (-7+1)/-7, or -6/-7. This simplifies to 6/7. C is the best option.

Also, since you posted a similar question earlier, I knew what to look for with g(x), but in the future, this looks like the x is not divided by the x in the denominator, and you should express this function as (x+1)/x to increase clarity.