Answer:
( 4, 11 ) , ( - 4, 27 )
Explanation:
f(x) = x² - 2x + 3
f(x) = - 2x + 19
x² - 2x + 3 = - 2x + 19
x² - 16 = 0
( x + 4 )( x - 4 ) = 0
= - 4
= 4
f(x) = = - 2( - 4 ) + 19 = 27
= 27
f(x) = = - 2( 4 ) + 19 = 11
= 11
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