Question

Let f(x)=2x+3 and g(x)-x^2-x
find the value of (f+g)(1/2)

Answer 1

is it 15/4 not sure *mental calculation

Answer 2

add them and plug in x = 1/2

Answer 3

You have f(x) as well of g(x).
You just add them together like you'd add anything.
f(x)+g(x)=(2x+3)+(x^2-x)=x^2+x+3
then plug in x=1/2 for the x values.

Answer 4

as well as*

Answer 5

im confused

Answer 6

i pluged in the 1/2 for the x's but i dont get it

Answer 7

what dont you get just put 1/2 and add up both

Answer 8

Help at all?