Find the indicated term for the sequence.an = n2 - n; a15
A. 15
B. -210
C. 240
D. 210
Answer: D
Mathematics
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Find the indicated cardinal number.Find n(D × B) given that B = {1, 3} and D = {7, 8, 9, 10}.
A.
| 8 |
B. 12
C. 16
D. 7
Mathematics
Solve the system of equations graphically. If the system does not have a single ordered pair as a solution, state whether the system is inconsistent of dependent.4x + 3y = 293x - 2y = -8
A. (7, 2)
B. No solution, inconsistent
C. (2, 7)
D. (4, -20)
Mathematics
Simplify the expression.
- 
+ 
A. -1
B. 
C. 1
D. 
Mathematics
Perform the indicated operations.( 9x4 + 7x2 - 7x ) - ( -8x3 + 5x2 - 7x - 4)
A. 9x4 - 8x3 + 12x2 - 4 B. 9x4 + 8x3 + 2x2 + 4 C. 10x4 + 9x3 + 12x2 + 4 D. 13x7 + 12x3
Mathematics