State an explicit rule for the nth term of the recursively-defined sequence.an= an-1 + 8; a1 = 5
A. an = 8 + 5(n)
B. an = 5 + 8(n-1)
C. an = 5 + 8(n)
D. an = 8 + 5(n-1)
Answer: B
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Use the shell method to find the volume of the solid generated by revolving the region bounded by the given curves and lines about the y-axis.y = 
, y = 0, x = 2, x = 4
A. 10? B. 30? C. 20? D. 15?
Solve the problem.You are planning to close off a corner of the first quadrant with a line segment 21 units long running from (x, 0) to (0, y). Show that the area of the triangle enclosed by the segment is largest when 
What will be an ideal response?
Translate the statement into symbols then construct a truth table.p = The doctor prescribed medicine.q = The patient has recovered.The doctor did not prescribe medicine but the patient recovered.
A. 
| T | T | T |
| T | F | F |
| F | T | F |
| F | F | F |
B.
| T | T | T |
| T | F | F |
| F | T | T |
| F | F | T |
C.
| T | T | T |
| T | F | F |
| F | T | F |
| F | F | F |
D.
| T | T | F |
| T | F | F |
| F | T | T |
| F | F | F |
Solve.On a map, 1 in. represents 120 miles. How much does 
in. represent?
A. 72 mi B. 62 mi C. 200 mi D. 82 mi