A boy is standing on a flat field and tosses his ball toward a second boy standing at the other end of the field. The path of the ball is a parabola, and the equation of the path is 
True or False? The axis of the parabola is horizontal.
A. False
B. True
Answer: A
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Solve the equation by clearing the coefficient.12w = -156
A. w = -168 B. w = 13 C. w = -13 D. w = 12
Determine the phase shift of the function.y = 4 sin (4?x - 3)
A. 
B. 
C. - 
D. -3
Write the best-fit linear model for the data.The ages and lengths of several animals of the same species are recorded in the following table: 
Find the linear function to model this data.
A. y = 2.18x - 1.03 B. y = 0.93x + 2.18 C. y = 0.93x - 1.18 D. y = 1.03x - 2.18
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.