Use a trigonometric substitution to evaluate the integral.
A. cosh-1 
+ C
B. tan-1 
+ C
C. sinh-1 
+ C
D. sin-1 
+ C
Answer: C
Mathematics
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Find the average value of the function over the given interval.y = x2 - 4x + 6; [0, 9]
A. 51
B. 63
C. 15
D. 
Mathematics
Solve the inequality, then graph the solution.3 ? 2t - 5 ? 7 
A. 4 ? t ? 6 
B. -6 ? t ? -4 
C. -6 < t < -4 
D. 4 < t < 6 
Mathematics
Use mathematical induction to prove the statement is true for all positive integers n.3 + 8 + 13 + . . . + (5n - 2) = 
(5n + 1)
What will be an ideal response?
Mathematics
Evaluate f(x) at the given value of x.f(x) = 6x - 5; x = -8
A. -20 B. -56 C. -53 D. 53
Mathematics