Solve the problem.The function f(x) = 700(0.5)x/50 models the amount in pounds of a particular radioactive material stored in a concrete vault, where x is the number of years since the material was put into the vault. Find the amount of radioactive material in the vault after 
Round to the nearest whole number.
A. 589 lb
B. 1400 lb
C. 88 lb
D. 44 lb
Answer: D
You might also like to view...
Which federal law prompted states to write mathematics learning expectations for students?
a. Public Law 94-142 b. A Nation at Risk c. Equal Educational Opportunity Act d. No Child Left Behind
Solve the problem.A salesman sold $300 more than the rest of the sales staff. If the sales total for the day was $2450, how much did the rest of the sales staff sell?
A. $1225 B. $1375 C. $1075 D. $2150
Add.-84 + 145
A. -61 B. 61 C. -229 D. 229
An open box is to be constructed from a piece of cardboard 24 cm by 35 cm by cutting squares of side length x from each corner and folding up the sides, as shown in the figure.
?
?
(a) Express the volume V of the box as a function of x.
?
__________
?
(b) What is the domain of V? (Use the fact that length and volume must be positive.)
?
__________ < x< __________
?
(c) Draw a graph of the function V and use it to estimate the maximum volume for such a box. Please round the answer to the nearest whole number.
?
__________ cm3
What will be an ideal response?