Question

Given f(x)=½(8-2x), what is the value of f(-5)? help plez

Answer 1

`\\ \tt\bull\rightarrowtail f(x)=1/2(8-2x)`

`\\ \tt\bull\rightarrowtail f(-5)`

`\\ \tt\bull\rightarrowtail 1/2(8-2(-5))`

`\\ \tt\bull\rightarrowtail 1/2(8+10)`

`\\ \tt\bull\rightarrowtail 1/2(18)`

`\\ \tt\bull\rightarrowtail 9`

Answer 2

9

Explanation:

f(x)=½(8-2x)

Let x = -5

f(-5)=½(8-2* (-5))

=½(8+10)

=½(18)

=9