plzzhelp55 plzzhelp55
  • 21-08-2018
  • Mathematics
contestada

If g(x) = 2x + 3 and f(x) = x

2 − 49x, find all solutions of the equation f(g(x)) = 0.

Respuesta :

aperez9701
aperez9701 aperez9701
  • 21-08-2018
Basically you just have to plug in g(x) wherever you see an x in the equation f(x) since x is f(x) you just substitute it . So f(g(x))=2x+3

You then just have to solve for 0

0=2x+3
Subtract 3 from both sides
-3=2x
Divide by 2
X=-3/2
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