Question

let f(x)=x^2,g(x)=2x+1 be two real functions. find (f.g)x and (f+g)x?​

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Step-by-step explanation:

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Firebamd

24.07.2019

Math

Secondary School

+13 pts

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let f(x)=√x and g(x)=x be two functions defined over the set of positive real numbers. find (f+g),(f-g),f.g,f/g.

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Step-by-step explanation:

f(x)=√(x)

g(x)=√(x)

(f+g)=(x^1/2)+x

(f+g)=(x^3/2)

(f-g)=(x^1/2)-x

(f-g)=x^-1/2

f.g=(x^1/2).(x)

f.g=(x^3/2)

f/g=(x^1/2)/x

f/g=-1/2