aubreyaccimeus aubreyaccimeus
  • 22-09-2021
  • Mathematics
contestada

simplify each expression for x=4
-5x^-4
7x^-3

Respuesta :

nouser69 nouser69
  • 22-09-2021
-5x^-4
-5/x^4
Substitute x=4 into the eqn,
-5/(4)^4
-5/256

7x^-3
7/x^3
Substitute x=4 into the eqn,
7/(4)^3
7/64
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