ashleylowe ashleylowe

19-01-2019
Mathematics

contestada

let f(×)=-2×+15 and g(×)= x^2+4 Find f(-4)+g(-4) please help

let f215 and g x24 Find f4g4 please help class=

Respuesta :

jennychrin95 jennychrin95

19-01-2019

Tbh i'll give it a try.

f(x) = -2x + 15

-4 = -2x + 15

-15 -15

-19 -2x

--- = ---

-2 -2

9.5 = x

g(x) = x^2 + 4

-4 = x^2 + 4

-4 = 2x + 4

-4 -4

-8 = 2x

--- ----

2 2

-4 = x

Answer that i think is:

9.5 + (-4) = 5.5

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