?Estimate the variance for the following probability distribution to two decimal places.
?
?
x0123 P(x)
?
A. ?2.00
B. ?1.40
C. ?1.18
D. ?1.96
E. ?1.00
Answer: B
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Graph the function.y = -sec x
A. 
B. 
C. 
D. 
Use a graphing utility to select the graph of the function below. Describe the behavior of the function as x approaches 0.
?
?
A. ?
As x ? 0, f(x) ? 0.
B. ?
?As x ? 0, f(x) ? 0.
C. ?
As x ? 0, f(x) ? 0.
D. ?
As x ? 0, f(x) ? 0.
E. ?
As x ? 0, f(x) ? 0.
Find the product.(x + 3)2
A. x + 9 B. 9x2 + 6x + 9 C. x2 + 9 D. x2 + 6x + 9
Solve the problem.A boxer takes 3 drinks of water between each round for the first four rounds of a championship fight. After the fourth round he starts to take his three drinks plus one additional drink between each of the remaining rounds. If he continues to increase his drinks by 1 after each round, how many drinks will he take between the 14th and 15th round?
A. 10 drinks B. 12 drinks C. 14 drinks D. 16 drinks