Question

Given the following functions f(x) and g(x), solve (f + g)(3) and select the correct answer below:

f(x) = 6x + 3

g(x) = x − 7

4
17
25
31

Answer 1

@welshfella

Answer 2

(f + g)(x) = 6x + 3 + x - 7

Answer 3

simplify the above then replace the x by 3 and work it out

Answer 4

I don't know how to simplify :P

Answer 5

bring like terms together
= 6x + x - 3 + 7
= 7x + 4

now replace the x by 3 and work it out
this is your answer

Answer 6

So it would be 17?

Answer 7

7(3) + 4 = ?


not 17

Answer 8

25 :D?

Answer 9

@welshfella