ketlecornbutter ketlecornbutter

13-10-2021
Mathematics

contestada

If f(x - 1) = 2x + 3 for all values of x, what is the
value of f(-3)?

Respuesta :

bintsalem77 bintsalem77

13-10-2021

Answer:

-1

Step-by-step explanation:

F(x - 1) = 2x + 3.

Rewrite the right side (2x + 3)

F(x - 1) = 2[ x ] + 3

F(x - 1) = 2[ x - 1 + 1 ] + 3 = 2 [ (x - 1) + 1 ] + 3

= 2 (x - 1) + 2 + 3

= 2(x - 1) + 5

replace "x - 1" with "-3" :

F(-3) = 2(-3) + 5 = -1

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