Looking for answers? Westonci.ca is your go-to Q&A platform, offering quick, trustworthy responses from a community of experts. Explore thousands of questions and answers from knowledgeable experts in various fields on our Q&A platform. Discover in-depth answers to your questions from a wide network of professionals on our user-friendly Q&A platform.

Let f(x)= x - 1 and g(x)=x² + 5.
Find (fog)(4)
Then (fog)(4)=(Simplify your answer.)


Sagot :

Answer:

20

Step-by-step explanation:

f(x)= x - 1 and g(x)=x² + 5

(fog)(x)

=f(g(x))

=f(x^2+5)

=x^2+5-1

=x^2+4

(fog)(4)

=4^4+4

=20