# How do you find #k(4-x)# given #k(x)=4x-4#?

##### 1 Answer

Aug 27, 2016

#### Explanation:

Given:

#k(x) = 4x-4#

The variable

#k(t) = 4t-4#

Now substitute

#k(4-x) = 4(4-x) - 4#

#= 16-4x-4#

#= 12-4x#