1.

If p(x)=x^2+4x+5 then find (a) f(5) (b) f1/2.​

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Answer:

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Step-by-step explanation:

f(X)=x²+4x+5

(a) f(5)=(5)²+4(5)+5=25+20+5

                               =50

(b)f(\frac{1}{2})=(\frac{1}{2})²+4(\frac{1}{2})+5=\frac{1}{4}+2+5

                          =\frac{1}{4}+7=\frac{1+28}{4}=\frac{29}{4}


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