Multiply. Assume that all variables represent nonnegative real numbers.
A. 3 
- 4 
B. 3 
+ 11 
+ 4 
C. 3 
- 11 
+ 4 
D. 3 
+ 11 
- 4 
Answer: D
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Evaluate the integral.
A. - 
csc 7t cot 7t - 
ln
+ 
+ C
B. - 
csc 7t cot 7t + 
ln
+ C
C. 
csc 7t cot2 7t - 
ln
+ C
D. - 
csc 7t cot 7t - 
ln
+ C
Determine if the geometric series converges or diverges. If it converges, find its sum.1 + (-8) + (-8)2 + (-8)3 + (-8)4 + . . .
A. converges, 8 B. diverges C. converges, 80 D. converges, 64
Find the x-intercepts of the polynomial function. State whether the graph crosses the x-axis, or touches the x-axis and turns around, at each intercept. f(x) = (x + 1)(x - 5)(x - 1)2
A. -1, crosses the x-axis; 5, crosses the x-axis; 1, crosses the x-axis B. -1, crosses the x-axis; 5, crosses the x-axis; 1, touches the x-axis and turns around C. 1, crosses the x-axis; -5, crosses the x-axis; -1, touches the x-axis and turns around D. 1, crosses the x-axis; -5, touches the x-axis and turns around; -1, touches the x-axis and turns around
Solve the inequality symbolically. Express the solution set in interval notation.
< 0
A. (-?, - 3) B. (-?, 0) C. (- 3, ?) D. (0, ?)