Find the real solutions of the equation.
- 
= 0
A. {-3, 1}
B. {3}
C. {3, -1}
D. no real solution
Answer: C
Mathematics
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Solve the equation.
- 
= -5
A. {16} B. {-14} C. {14} D. {-16}
Mathematics
Solve the system by graphing.
A. (-1, -2) B. (-1, 2) C. ? D. (-2, -1)
Mathematics
Graph the function.f(x) = 2e-x
A. 
B. 
C. 
D. 
Mathematics
Find the first term and the common ratio for the geometric sequence. Round approximations to the nearest hundredth.a2 = 21,875, a7 = 7
A. a1 = 7, r = 5 B. a1 = 35, r = 5 C. a1 = 546,875, r = 0.2 D. a1 = 109,375, r = 0.2
Mathematics