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1.

If y = 2x + 1, what is the arithmetic mean of 2x, 2x, y, and 3y, in terms of x?

2.

**Polynomial functions, logarithmic functions, and trigonometric functions are considered:**

3.

One (1) meter is equivalent to which of the following?

4.

A 100 ft tape was used to measure a horizontal line found to be 1,500 ft. The tape was then compared with a standard and found to be only 99.97 ft in length. The true length of the measured line is:

5.

Which of the following trigonometric functions of a right angle is incorrect?