If f ( x ) = x 2 - 9 x + 3 is continuous at x = - 3 , then what is f ( - 3 ) ?

Question

If                f                (         x         )                 =                                x           2                  -         9                       x         +         3                 is continuous at         x     =     -     3    , then what is                f                (         -         3         )                ?

ri2n1tv9pt · Accepted Answer

Friction:Friction is a resistive force that occurs when two bodies in contact move relative to one another. Causes of friction:1)Adhesion between body surfaces: When two materials are in close proximity to one another, a molecular force called adhesion is created. When water is poured into a glass, it wets the surface of the glass due to the adhesion force that exists between the surface of glass and water.  2)Surface roughness:A frictional force or an opposing force is produced when two rough surfaces come into contact with one another. This force can occasionally be converted into heat.  3)Body deformation: During motion, deformations in the body or the surface of the body in contact may cause friction.

If f(x)=(x^2-9)/(x+3) is continuous at x=-3, then what is f(-3)?

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