Answer :
F(-1)= 7
It’s equal 7 because
You substitute (-1) for (x)
Now the work is f(-1)= 2(-1) + 9
2*-1 is -2 then you add -2 with 9 and you get 7 Which is your answer
Hope I helped
It’s equal 7 because
You substitute (-1) for (x)
Now the work is f(-1)= 2(-1) + 9
2*-1 is -2 then you add -2 with 9 and you get 7 Which is your answer
Hope I helped
Answer: 7
Step-by-step explanation:
f(x)= 2x + 9
f(x) = 2 x -1 + 9
2 x -1= -2
-2 + 9 = 7