Question

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F N j​

Answer 1

$f(x) = 5 {x}^{4}$,

$h(x) = 5 {x}^{2} - 4$

;

$f(a) = 5 {a}^{4}$,

$h( {a}^{2} ) = 5 {a}^{4} - 4$

;

$f(a) > h( {a}^{2} )$