The function f is defined by f (x) = 2x^2 + 7. Find f(5z).

James Elderfield asked Dec 20, 2023

55,630 views

43 votes

James Elderfield asked Dec 20, 2023

2.7k points

Your comment on this question:

Email me at this address if a comment is added after mine:Email me if a comment is added after mine

Privacy: Your email address will only be used for sending these notifications.

Email me at this address if my answer is selected or commented on:Email me if my answer is selected or commented on

Privacy: Your email address will only be used for sending these notifications.

14 votes

Answer:

$50 {z}^(2) + 7$

Explanation:

Substituting x=5z,

$2 {(5z)}^(2) + 7$

$2(25{z}^(2) ) + 7$

$50 {z}^(2) + 7$

Zahoor answered Dec 25, 2023

2.9k points

Email me at this address if a comment is added after mine:Email me if a comment is added after mine

Privacy: Your email address will only be used for sending these notifications.

Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

1.6m questions

2.0m answers