Register
For the function shown below, find f(3): f(x) = 2x - 8x2 + 5x - 7 O A. f(3) = -7 O B. f(3) = 242 O c. f(3) = -16 O D. f(3) = 98
102k views
2 votes
For the function shown below, find f(3): f(x) = 2x - 8x2 + 5x - 7 O A. f(3) = -7 O B. f(3) = 242 O c. f(3) = -16 O D. f(3) = 98

For the function shown below, find f(3): f(x) = 2x - 8x2 + 5x - 7 O A. f(3) = -7 O-example-1
User Vladimir Romanov
by
4.8k points

1 Answer

2 votes

Given:


f(x)=2x^4-8x^2+5x-7
f(3)=2(3)^4-8(3)^2+5(3)-7
f(3)=2(81)-8(9)+15-7
f(3)=162-72+15-7
f(3)=98

Option D is the correct answer..

User Conall
by
3.9k points
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

4.6m questions

6.0m answers

Other Questions

What is the domain and range?
What does translation means in math? I am taking a quiz on this right now, I need an answer ASAP!!!!!!
Reduce this algebraic fraction. 36x^5y^8z^10/15x^5y^7z^2
The tallest building reaches 142 feet above sea level. The lowest part of the lake is 355 feet below sea level. How far apart are they?
Gary has guitar lessons every 5 days and band practice every 4 days his first band practice is in 4 days and his first guitar lessons and band practice on the same day explain how you know
Link Copied!