Choose the best description of how to calculate f[g(3)] if f(x) = 3x − 2 and g(x) = x(to the 2nd power) − 1.

Calculate f(3) and g(3), then multiply them together.

Calculate f(3) and g(3), then write the results as an ordered pair.

Calculate f(3) and g(3), then subtract them.

Calculate g(3), plug the result into f(x) and simplify.

Question

Choose the best description of how to calculate f[g(3)] if f(x) = 3x − 2 and g(x) = x(to the 2nd power) − 1.

Calculate f(3) and g(3), then multiply them together.

 Calculate f(3) and g(3), then write the results as an ordered pair.

 Calculate f(3) and g(3), then subtract them.

 Calculate g(3), plug the result into f(x) and simplify.

anonymous · Answer

last one

anonymous · Answer

$$f(3) = 3(3) - 2 = 9 - 2 = 7; g(3) = 3^2 = 9;   (g(f(x)) = 63$$ Thats for the first.