Use the substitution formula to evaluate the integral.
A. 6 ln 2
B. 3 ln 2
C. 3 ln 3
D. -3 ln 2
Answer: B
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Use the discriminant to determine if the equation can be solved by factoring. If the equation can be solved by factoring, then factor it.c2 + 6c + 9 = 0
A. (c + 3)2 = 0 B. (c + 3)(c - 3) = 0 C. (c - 3)2 = 0 D. Cannot be solved by factoring
Identify the constant term, leading term, and leading coefficient of the polynomial.-3a4 - 13a2 + 8a + 4a6
A. -1 ; -4a6 ; -4 B. 4 ; -3a4 ; -3 C. 0 ; 4a6 ; 4 D. 0 ; 3a4 ; 3
Solve the problem.Suppose that the sample space is S = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10} and that outcomes are equally likely. Compute the probability of the event E = {1, 2, 4, 5, 7, 9, 10}.
A. 
B. 7
C. 
D. 
To find the distance across a river a surveyor chooses points A and B , 50 m apart and a reference point C on the opposite side of the river. Approximate the distance, b , between A and C given that ?A = 54° and ?B = 77°.
What will be an ideal response?