f(x) = x² + 1
f(- 9) = ( - 9)² + 1 = 81 + 1 = 82
f( - 9) = 82
g(x) = x² - 1
g(3) = 3² - 1 = 9 - 1 = 8
g(3) = 8
82 >8 ⇒ f(- 9) > g(3)
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Verified answer
f(x) = x² + 1
f(- 9) = ( - 9)² + 1 = 81 + 1 = 82
f( - 9) = 82
g(x) = x² - 1
g(3) = 3² - 1 = 9 - 1 = 8
g(3) = 8
82 >8 ⇒ f(- 9) > g(3)