**Q10: **

The graph represents the triangle wave function , which is periodic, piecewise linear, and defined for all real numbers.

Let be the th positive solution to the equation . Starting from , write a recursive formula for .

- A for .
- B for .
- C for .
- D for .
- E for .

What is the set of numbers which satisfy the equation

- A
- B
- C
- D
- E

The part of the graph through the origin coincides with the line . Use this to find one solution to . Use the symmetries of the graph to find the next positive solution.

- A .
- B .
- C .
- D .
- E .

Find the first two positive solutions to .

- A
- B
- C
- D
- E

Find the value of , giving your answer correct to 3 decimal places.

**Q11: **

A cable television offers its service at $45 per month and a one-time setup fee of $19.95. Express the total amount paid after months by a recursive formula.

- A
- B
- C
- D
- E

**Q12: **

The arithmetic mean between the third and seventh term of a sequence is 36 and the tenth term exceeds the double of the fourth term by 6 Find the general term, , of the arithmetic sequence.

- A
- B
- C
- D
- E

**Q13: **

The arithmetic mean between the third and seventh term of a sequence is and the tenth term exceeds the double of the fourth term by 44 Find the general term, , of the arithmetic sequence.

- A
- B
- C
- D
- E

**Q14: **

Consider the following growing pattern, shown for , , and .

Write an expression for the number of dots in the th such pattern.

- A
- B
- C
- D
- E

**Q16: **

Find the sequence and its general term of all the even numbers greater than 62.

- A ,
- B ,
- C ,
- D ,

**Q17: **

Find the general term of the arithmetic sequence which satisfies the relations and .

- A
- B
- C
- D
- E

**Q18: **

Find the general term of the arithmetic sequence which satisfies the relations and .

- A
- B
- C
- D
- E

**Q19: **

Find, in terms of , the general term of the sequence .

- A
- B
- C
- D

**Q20: **

Find, in terms of , the general term of the sequence .

- A
- B
- C
- D

**Q21: **

Jennifer started working out to get healthier. She worked out for fourteen minutes on the first day and increased her exercise by six minutes every day. Find, in terms of , the term of the sequence which represents her plan.

- A
- B
- C
- D