Respuesta :

f(-7) = 2x + 8, f(-7) = 2(-7) + 8, f(-7) = -14 + 8, f(-7) = -6 Hope this helps you out, I didn't know if there was a plus sign between 2x and 8 but hope this helps you out!
calculista

Answer:

[tex]f(-7)=-6[/tex]

Step-by-step explanation:

we have

[tex]f(x)=2x+8[/tex]

substitute the value of [tex]x=-7[/tex] in the function

[tex]f(-7)=2(-7)+8=-6[/tex]

[tex]f(-7)=-6[/tex]  

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