MATH 1415 Section 27 x C D twebStudentAssig dep 13957986 D M

MATH 1415 Section 2.7 x C D t/web/Student/Assig dep 13957986 D Microsoft outlook We dotProject G Google Listen Now Google Convert kilogram met M Quiz The Norton Antholog Shopping Cart M Quiz V MyVehicleclaim Da 1. -8 points ScolAlg7 2.7.009 Find f g, f g, fg, and flg and their domains. f(x) x2 x, g(x) x2 Find (f g)(x). Find the domain of (f g)(x). (Enter your answer using interval notation.) Find (f g)(x). Find the domain of (f g)(x). (Enter your answer using interval notation.) Find (fg)(x). Find the domain of (fg)(x). (Enter your answer using interval notation.) My Notes Ask Your Teacher 6.16 PM

Solution

f(x) = x² + x , g(x) = x²

(f + g)x = f(x) + g(x) = x² + x + x²

==> (f + g)x = 2x² + x

Domain of (f + g)x = (- , )

(f - g)x = f(x) - g(x)

==> (f - g)x = x² + x - x² = x

Domain of (f - g)x = (- , )

(fg)x = f(x) * g(x)

==> (fg)x = (x² + x)(x²) = x⁴ + x³

Domain of (fg)x = (- , )