Select all of the statements that are true about f(x) = 1
А.
f(x) is an odd function.
B.
f(x) = f (2)
C
f(x) decreases from (-00, 0) U (0,0).
D.
f(x) is a rational function.

Compare these two waves: the blue and orange waves have the same pitch, but the blue wave is louder. the blue and orange waves have the same volume, but the blue wave has a higher pitch. the orange wave has a higher pitch, but the blue wave is louder. the blue wave has a higher pitch, but the orange wave is louder.

Question b of 10which of the following describe an angle with a vertex at a? check all that applyo a. labcов. савd dooo c_baco d. zacb

What is the value of x when x + 7 = 21?