9514 1404 393
Answer:
f(-x) = x^2 -3x +9
Step-by-step explanation:
Use -x as the argument of the function.
f(-x) = (-x)^2 +3(-x) +9
f(-x) = x^2 -3x +9 . . . . . . . . simpify
Your answer should be, BTU / cubic foot = 650 (4) (4) / 5000 = 2.08 BTU / ft^3, Hope this helps you! :D
Multiply 2/3 and 1/6
2*1= 2
3*18=54
simplify 2/54 = 1/27
Answer:
u can use pythagoras or sine rule
Step-by-step explanation:
cos-1(9/11)
