A:
(f+g)(x)=f(x)+g(x)
(f+g)(x)=4x-5+3x+9
(f+g)(x)=7x+4
B:
(f•g)(x)=f(x)•g(x)
(f•g)(x)=(4x-5)(3x+9)
(f•g)(x)=12x^2-15x+36x-45
(f•g)(x)=12x^2+21x-45
C:
(f○g)(x)=f(g(x))
(f○g)(x)=4(3x+9)-5
(f○g)(x)=12x+36-5
(f○g)(x)=12x+31
-- Avoid foods high in fat.
-- Keep hydrated.
-- Get serious with fruit, vegetables, and exercise.
3 lbs at 4.50 per lb = (4.50 * 3) = 13.50 <==
Wait a password with 4 letters using only 5? And the letters can be used more than once. I’m confused
