Use a ruler to find the measure of each line and make sure you look at the inches
Trig identity is 509811 negative
2*10^9 i'm pretty sure it would be d.
F(X) = (3x + 5)/X
F(a + 2) = (3(a + 2) + 5)/(a + 2)
F(a + 2) = (3a + 6 + 5)/(a+2)
F(a + 2) = (3a + 11)/(a + 2).
This would be the final solution.