Find a general term an for the sequence whose first four terms are given.4, 12, 20, 28, . . .
A. an = 4n - 8
B. an = 4(8)n-1
C. an = 8n - 2
D. an = 2(4n - 2)
Answer: D
Mathematics
You might also like to view...
Determine the values of the given functions as indicated rounded to four decimal places. Find cos 15° by using 15° = 60° - 45°.
A. 0.2588 B. 0.7071 C. 0.2679 D. 0.9659
Mathematics
Factor.z2 - 4z + 4
A. (z - 4)(z + 4) B. (z + 2)2 C. (z - 2)2 D. (z - 2)(z + 2)
Mathematics
Use the distributive property to rewrite the expression. Do not find the product.4(1 + 6)
A. 4 + 1 + 6 B. 4 ? 1 + 6 C. 4 ? 1 ? 6 D. 4 ? 1 + 4 ? 6
Mathematics
State the phrase as a mathematical expression. Use x to represent the variable.Three divided by a number
A. 3 - x
B. 
C. 3 + x
D. 3x
Mathematics