Evaluate functions w(n)=n^2-3n; find w(6) h(n)=2n; find h(5) h(x)=x^2+4x; find h(-7)

asked Mar 3, 2015 132k views

1 vote

Evaluate functions

w(n)=n^2-3n; find w(6)
h(n)=2n; find h(5)
h(x)=x^2+4x; find h(-7)

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3 votes

just substite 6,5, or -7 for n,h, or x then solve like a normal equation:
=6²-3(6)
=2×5
=(-7)²+4(-7)

Adam Quek answered Mar 8, 2015

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