Two solutions were found :
u ≥ 2
u ≤ 0
Answer:
-4 =x
Step-by-step explanation:
ƒ(x) = 9x + 54
Let f(x) = 18
18 = 9x+54
Subtract 54 from each side
18-54 = 9x + 54-54
-36 = 9x
Divide each side by 9
-36/9 = 9x/9
-4 =x
Answer:
4400 miles
Step-by-step explanation:
In 1 hour it can fly 1100/2 = 550 miles
Multiply that by 8 to find how far it can fly in 8 hours
8 *550 =4400 miles
the 4 in the tens place is 10 times the 4 in the ones place