fu40jm409 fu40jm409
  • 26-05-2021
  • Mathematics
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PLZ HELP, DUE TONIGHT!! Find the values of a and b such that f(x) is continuous at x=1

PLZ HELP DUE TONIGHT Find the values of a and b such that fx is continuous at x1 class=

Respuesta :

mhanifa
mhanifa mhanifa
  • 26-05-2021

Answer:

  • a = 2, b = -4

Step-by-step explanation:

To make the given piecewise function continuous we need:

  • ax² - b = 6 and 5ax + b = 6 at x = 1

It gives us the system:

  • a(1²) - b = 6 ⇒ a - b = 6
  • 5a(1) + b = 6 ⇒ 5a + b = 6

Sum of the two:

  • a - b + 5a + b = 6 + 6
  • 6a = 12
  • a = 2

Then b is:

  • 2 - b = 6
  • b = -4
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