Solve.Two particles, m1 and m2, collide in a head-on, one-dimensional, elastic collision. If the first particle had an initial speed of 1 m/sec and the second particle was initially at rest, then the final speeds of the two particles, v1 and v2 (in m/sec), are as follows: v1 = 
v2 = 
Express the difference between the final speeds (v1 - v2) as a single rational expression.
A. 
m/sec
B. 1 m/sec
C. 
m/sec
D. -1 m/sec
Answer: D
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Find the exact value of the real number y.y = sec-1 
A. 
B. 
C. 
D. 
Solve the problem.Ellen wishes to mix candy worth $1.80 per pound with candy worth $2.40 per pound to form 48 pounds of a mixture worth $2.00 per pound. How many pounds of the more expensive candy should she use?
A. 16 pounds B. 22 pounds C. 32 pounds D. 28 pounds
Solve the problem.The following table shows the market prices per pound that a trucker can get for his load of fruit in three cities: San Francisco (S.F.), Las Vegas (L.V.), and Los Angeles (L.A).
The trucker has a load of 6000 pounds of peaches and 3000 pounds of apples. Write the information from the table as a 2 x 3 matrix B. Write a row matrix A for which the entries represent the number of pounds of each type of fruit in the truck. If 
, find c11. What does this entry of C represent?
A. c11 = 6000. c11 represents the total value of the load in San Francisco. B. c11 = 4200. c11 represents the total value of the load in San Francisco. C. c11 = 3600. c11 represents the total value of the load in Las Vegas. D. c11 = 3250. c11 represents the total value of the load in Las Vegas.
Evaluate the logarithm.ln e8x
A. 8x ln e B. 8x C. e8x D. x