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

Sagot :

Answer:

9

Step-by-step explanation:

f(x)=½(8-2x)

Let x = -5

f(-5)=½(8-2* (-5))

     =½(8+10)

     =½(18)

     =9

[tex]\\ \tt\bull\rightarrowtail f(x)=1/2(8-2x)[/tex]

[tex]\\ \tt\bull\rightarrowtail f(-5)[/tex]

[tex]\\ \tt\bull\rightarrowtail 1/2(8-2(-5))[/tex]

[tex]\\ \tt\bull\rightarrowtail 1/2(8+10)[/tex]

[tex]\\ \tt\bull\rightarrowtail 1/2(18)[/tex]

[tex]\\ \tt\bull\rightarrowtail 9[/tex]