may1765 may1765

20-10-2016
Mathematics

contestada

Can someone please help me I'm confused as to what I'm supposed to do.
Let f(x) = -2x - 7 and g(x) = -4x + 3. Find (f o g)(-5)
A. 3
B. -53
C. -9
D. 23

Respuesta :

Аноним Аноним

20-10-2016

i hope this helps you

(fog)(5)=f (g (5))=?

x= 5 g (5)=-4.5+3=-20+3=-17

f (g(5))=f (-17)=-2. (-17)-7

f (-17)=34-7

f (-17)=27

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