Homework Help

What is the right choice for question 21) ? http://postimg.org/image/3k6pf0hyl/

user profile pic

jayson94 | (Level 1) Salutatorian

Posted August 20, 2013 at 1:32 PM via web

dislike 0 like

What is the right choice for question 21) ?

http://postimg.org/image/3k6pf0hyl/

1 Answer | Add Yours

user profile pic

aruv | High School Teacher | (Level 2) Valedictorian

Posted August 20, 2013 at 1:48 PM (Answer #1)

dislike 0 like

When f(x) divided by x+2 ,remainder will f(-2)=3 (given)

When

F(x)=2f(x)-7 wil divided by x+2 ,remainder will be F(-2).

F(-2)=2f(-2)-7

=2x3-7

=6-7

=1

Thus correct answer is C

Join to answer this question

Join a community of thousands of dedicated teachers and students.

Join eNotes