Question

GIVING MEDAL! PLEASE HELP!
For f(x)=4x+1 and g(x)=x^2-5, find (f+g)(x)
A. x^2+4x-4
B. 4x^2-19
C. x^2+4x+6
D. 4x^3-4

Answer 1

Answer is "A"

Answer 2

add both the functions as the theory of simple algebra follows and then we shall find that,

f+g(x)= f(x)+g(x)
=4x+1+x^2-5
=x^2+4x+(1-5)
=x^2+4x-4

did you get it @yara26