megancumberp803k3 megancumberp803k3 08-10-2019 Mathematics contestada if f(x)= x+3x+ 5what is 1(3 + h), O A. 1 +90+23 O B. (x²+3x+5)(3+1) O c. 1*+h+ 23 O d. (3+)?+8+1,