Question

Consider the functions f(x) = 2x + 1 and g(x) = x2 − 10. What is the value of f[g(3)]?

39
−3
−7
−1

Answer 1

inset one function into the other function then replace x with 3

Answer 2

f(g(x))= 2(x^2 − 10) + 1

Answer 3

or

find the value of the inner function g(3)

and use that in the outer function f(x)

Answer 4

now replace x with 3 and you can determine your answer

Answer 5

thanks , so my answer would be -1 ?

Answer 6

correct