Find the indicated sum.
A. 10
B. 11
C. 12
D. 8
Answer: B
Mathematics
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Solve the system by the addition method. Be sure to check all proposed solutions. x + 9y = 15-3x + 8y = 25
A. {(-4, 3)} B. {(3, 3)} C. {(-3, 2)} D. ?
Mathematics
Graph the function.f(x) = 
log2x
A. 
B. 
C. 
D. 
Mathematics
Find the first four terms of the sequence.an = an-1 + 7; a1 = 5
A. 5, 7, 14, 21 B. 12, 19, 26, 33 C. 5, 12, 19, 26 D. 0, 7, 14, 21
Mathematics
Solve the linear programming problem.Minimize 7x1 + 8x2subject to x1 - 3x2 ? -6 -3x1 + x2 ? -9and x1 ? 0, x2 ? 0
A. Infeasible
B. Minimum = 
when x1 = 
and x2 = 
C. Unbounded
D. Minimum = 16 when x1 = 0 and x2 = 2
Mathematics