Question

please check my answer

Answer 1

My answer is 12

Answer 2

@zepdrix

Answer 3

\[\large\rm f(\color{orangered}{x})=2-3(\color{orangered}{x})\]Evaluated at \(\large\rm \color{orangered}{x=-4}\),
\[\large\rm f(\color{orangered}{-4})=2-3(\color{orangered}{-4})\]

Answer 4

Multiply -3 and -4 to start.

Answer 5

12 and -8?

Answer 6

@zepdrix

Answer 7

@imqwerty

Answer 8

f(x) = 2-3x
f(-4) = 2-3(-4)
= 2+12
= 14

Answer 9

omg thanks so much!

Answer 10

If you write it like that it becomes a lot easier to work out. :) Good luck

Answer 11

i need to write these steps in my notes lol thanks again

Answer 12

Here this guy has been very helpful when I started my A - Levels ....

http://www.examsolutions.net/maths-revision/core-maths/algebra-and-functions/functions/notation/tutorial-1.php

Good luck with your studies and no problem.

Answer 13

alright thanks for the link! really appreciate it :)