boilingicecube112 boilingicecube112

12-10-2021
Mathematics

contestada

If f(x)=x^2-9/x+3 is continuous at x=-3, find f(-3).

A. 3
B. -3
C. -6
D. 6

If fxx29x3 is continuous at x3 find f3 A 3 B 3 C 6 D 6 class=

Respuesta :

anasweeney43 anasweeney43

12-10-2021

Answer:

x = 3

Step-by-step explanation:

x^2 - 9 = (x+3)(x-3)

[(x + 3)*(x -3] /x+3) = x-3

x - 3 = 0

x = 3

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