Question

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

Answer 1

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