Simplify the exponential expression. Write any negative exponents as positive exponents. Assume all variables represent positive real numbers.64-4/3
A. 256
B. not a real number
C. 
D. - 
Answer: C
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The equation gives the position s = f(t) of a body moving on a coordinate line (s in meters, t in seconds). s (m)
What is the body's velocity when t = 8 sec?
A. 3 m/sec B. 0 m/sec C. 4 m/sec D. -4 m/sec
Solve the problem.The table below shows a housing index that can be used to compare housing prices in different cities. 
Suppose you see a house valued at $860,000 in Palo Alto. Find the price of a comparable house in Manhattan.
A. $634,141 B. $1,049,671 C. $1,166,301 D. $933,041
Solve the problem.Suppose that the quantity supplied S and quantity demanded D of baseball caps at a major league game are given by the functions S(p) = 3960 - 80p and D(p) = 100p, where p is the price. Find the equilibrium price for caps at the game. Then find the equilibrium quantity.
A. $22, $2200 B. $20, $2200 C. $20, $2360 D. $39, $840
Solve the problem.Suppose the number of items a new worker on an assembly line produces daily after t days on the job is given by 25 + 2t. Find the average number of items produced daily in the first 10 days.
A. 38 B. 35 C. 350 D. 40