Question

1 question see below :)

Answer 1

which one do you think it is?

Answer 2

\(f(-3)\) means replace x with (-3) and then evaluate it (do the math part).

Answer 3

idk, i need help understanding it. If someone could explain how to do it that would be great :)

Answer 4

12?

Answer 5

You are given
\(f(x)=|2x+1|+5\) If you replace the x wih (-3) it is not 12.

Answer 6

hold on, let me try again.

Answer 7

0?

Answer 8

\(f(-3)=|2(-3)+1|+5\)

So what is \(2\times (-3)\) then add 1 to that. Then take the absolute value. Then finally add 5.

Answer 9

thats 0?

Answer 10

thats what i got

Answer 11

Are you remembering the absolute value?

Answer 12

wait -10?

Answer 13

i was doing the math on a calculator.

Answer 14

OK. Do the math up to the | | on the calculator. Then change anything you have to a postitive. Then go on from there.

Answer 15

10?

Answer 16

Yep.

The big key is the | | turns everything inside it into a positive.

Answer 17

Thank you :)

Answer 18

np. Have fun!