Algebra 2 Work Practice

Question

if f(x)=x^2+3x+5 what is f(a+h)
A.) ( a+h)^2 + 3(a+h) + 5(a+h)
B.) a^2 + 2ah + h^2 + 3a + 3h + 5
C.)h^2 + 3a + 3h + 5
D.) (x^2 + 3ax + 5) (a+h)

 

Help Please!

Answer 1

take out x and stick in (a+h)

 

multiply out and expand and you will get answer B