Question

f(x)=2x+3/4x+5 find f(-9)

pls solve it ​

Answer 1

Answer:

15/31

Step-by-step explanation:

substitute -9 were there's x in the function

f(-9)=2(-9)+3/4(-9)+5

=-18+3/-36+5

=-15/-31

the negatives cancel giving you

15/31