SilverWolf1234
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Plz help!
For f(x) = −2x + 12, find f(x) when x = −3.
A) f(−3) = 6
B) f(−3) = −18
C) f(−3) = 18
D) f(−3) = 20

f(p)=7/11p-10
Find f(77).

A) f(77) = 59
B) f(77) = 49
C) f(77) = 67
D) f(77) = 39

Respuesta :

 f(x) = −2x + 12, find f(x) when x = −3.

replace x = -3 then

f(-3) = (-2)(-3) + 12

        = 6 + 12

        =18

Answer is C) f(−3) = 18

f(p)=7/11p-10 Find f(77)

f(77) = 7/11 (77) - 10 (cancel out 77 and 11)

        = 7 * 7 - 10

        = 49 -10

        =39

       Answer is D) f(77) = 39

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