If f (x) = 2x2 + 3x +2 and g(x) = x + 1, write an expression for f(x) – g().
o 2.02 + 3x + 1
o 2,c2 + 2x + 1]
o 2.2 + 2x – 1
o 22 – 2.c + 1

The high temp today was 62°. when nighttime comes, the temp will drop 40°. by 4am the temp will drop an additional 40°. what is the temp at 4am?