carlee0927 carlee0927
  • 26-01-2020
  • Mathematics
contestada

Find the value of s(t(-5)):
s(x) = - 3x-2
t(x)=5x - 4

Respuesta :

itmye84 itmye84
  • 26-01-2020

s(t(-5)) First find t(-5), since you know x = -5, substitute/plug in -5 for x in t(x) = 5x - 4

t(x) = 5x - 4

t(-5) = 5(-5) - 4

t(-5) = -25 - 4

t(-5) = -29

s(t(-5)) plug in -29 for t(-5)

s(-29) = -3(-29) - 2 (- times a - equals a positive)

s(-29) = 87 - 2

s(-29) = 85

Your answer is 85

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