Find the limit.
4x-7
A. 0
B. -4
C. ?
D. -?
Answer: A
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Find the indicated term for the geometric sequence with first term, a1, and common ratio, r.Find a4, when a1 = 3, r = 2.
A. 18 B. 24 C. 48 D. 8
Solve the problem.The kind of symmetries found in the border pattern . . . q d q d q d . . . are the identity and
A. translations and half-turns only. B. translations only. C. translations and glide reflections only. D. translations, glide reflections, and half-turns only. E. none of these
Solve the problem.After being struck with a hammer, a gong vibrates 21 vibrations in the first second and in each second thereafter makes 
as many vibrations as in the previous second. Find how many vibrations the gong makes before it stops vibrating.
A. 84 vibrations B. 94 vibrations C. 23 vibrations D. 28 vibrations
Solve the problem.The matrix 
rotates a point 45° clockwise about the origin, and the matrix 
rotates a point 30° counterclockwise about the origin. Use these matrices to find the coordinates of the new location of the point 
when it is rotated 15° clockwise about the origin.
A. 
B. 
C. 
D. 