Register
Example 2 Let f(x) = 3x2 - 1. Find each of the following a. f(9) b. f(-2) HELP PLS
58.6k views
14 votes
Example 2

Let f(x) = 3x2 - 1. Find each of the following
a. f(9)
b. f(-2)
HELP PLS

User Prabhat Kumar Singh
by
3.1k points

2 Answers

5 votes
f(9) is 242 abs f(-2) is 11
User Guido Dizioli
by
2.9k points
5 votes

Answer:

Explanation:

f(9) = 3(9)^2 - 1 = 242

f(-2) = 3(-2)^2 - 1 = 11

User Mehran Mastcheshmi
by
3.4k points
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

3.6m questions

4.6m answers

Other Questions

A study was completed in Florida. In southern Florida, the study involved 3,000 patients; 54% of them experienced flulike symptoms during the same month. The study had a margin of error of 1.8%. What does
Solve for x in the equation 3 x squared minus 18 x + 5 = 47. (I need this to be an answer like X=3+\_ square root 23)
The sanchez family goes out for dinner, and the price of the meals is $60. The sales tax on the Meals is 7 percent, and they also want to leave a 15 percent tip. What is the total cost of the meal? Analyze
Simplify: 10 ÷ [(5 + 2) − 5]
A survey of 539 adults aged 18-24 year olds was conducted in which they were asked what they did last Friday night. It found: 189 watched TV 163 hung out with friends 29 watched TV and ate pizza, but did
Link Copied!