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Evaluate the function add to give them values of the independent variable and simplify

Evaluate the function add to give them values of the independent variable and simplify-example-1

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Given function,


h(x)=x^4+2x^2-5

a.h(3)


h^{}(3)=3^4+2*3^2-5=81+18-5=94

b.h(-1)


h(-1)=(-1)^4+2(-1)^2-5=1+2-5=-2

c.h(-x)


h(-x)=(-x)^4+2(-x)^2-5=x^4+2x-5

d.h(3a)


h(3a)=(3a)^4+2(3a)^2-5=81a^4+18a^2-5

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