Evaluate the integral by making a substitution and then using a table of integrals.
A. 
+ 8 ln 
+ C
B. 
+ 8 sin-1 
+ C
C. 
+ 8 ln 
+ C
D. 8 sin-1 
+ C
Answer: B
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Translate the expression into the language of algebra. Use the variable x to represent the number.A number decreased by 7
A. x - 7 B. 7 - x C. 7x D. 1 - 7x
Answer the question.Suppose that an > 0 and bn > 0 for all n ? N (N an integer). If 
= ?, what can you conclude about the convergence of 
?
A. 
diverges if 
diverges, and 
converges if 
converges
B. The convergence of an cannot be determined.
C. 
converges if 
converges
D. 
diverges if 
diverges
State the degree and leading coefficient of the polynomial function.f(x) = 19 + 14x + 10x2 - 19x3 - 18x4
A. Degree: 4; leading coefficient: 19 B. Degree: 4; leading coefficient: -18 C. Degree: 19; leading coefficient: -18 D. Degree: 3; leading coefficient: -19
Use the discriminant to determine the number of real solutions of the equation.t2 + 12t + 36 = 0
A. 1 B. No real solutions C. 2