tnekaesha tnekaesha

29-08-2016
Mathematics

Answered

consider the functions f(x)=3x squared - 5 and g(x)= square root of x -5 +2

how could i find f(5) , f(4), f(x) +g(x)

Verified Answer :

crisforp crisforp

29-08-2016

f(5) = 3x(5)^2 - 5 = 3x25 - 5 = 75 - 5 = 70;
f(4) = 3x(4)^2 - 5 = 3x16 - 5 = 48 - 5 = 43;
f(x) + g(x) = 3\(x^{2} -5 + \sqrt{x-5} +2 = x^{2} + \sqrt{x-5} -3.\)

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