All you have to do is use the formula and where it says x just full in the number
8+ the product of 2 and a number to the third power, what it means 2×m cubed. So it is 8+2m (cubed)
Answer:
20 percent change in the depth of the river
Step-by-step explanation:
4 - 3.2 = .8
.8 x 100 = 80
80/4 = 20
20%
Answer: $418
Step-by-step explanation:
f(x)= 180+400x/x
plug in 10 for x
f(x)= 180+400(10)/10
f(x)= 180+4000/10
f(x)= 4180/10
x=418