AyItsAaron AyItsAaron

19-01-2016
Mathematics

contestada

PLEASE HELP ON MATH!
Which of the following is the value of f(-4) in the function f(x) = -2x - 3?

a. -11
b. -5
c. 5
d. 11

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apologiabiology apologiabiology

19-01-2016

so just subsitute -4 for whereever you see x so
f(x)=-2x-3
if f(-4) then
f(-4)=-2(-4)-3=8-3=5
f(-4)=5
answer is c,5

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