Answer:
2x+1y
Step-by-step explanation:
because a variable (the letter) is always 1, in that case 1 + 1 is 2 and 1 x 1 is 1. but since x and y are two different letters you cannot add them. hoped that helped :)
Answer:
x<-4
Step-by-step explanation:

Answer:
any # where -2<=x<7
Step-by-step explanation:
(x-7) would be negative and (x+3) positive, resulting in f(x) being negative.
Answer:(F/G)(x)=7
Step-by-step explanation:
Answer:
26 mph
Step-by-step explanation:
d/t = r (distance/ time = rate)
104/4 = 26