Solve the polynomial inequality. Express the solution in interval notation.(x - 2)(x + 3) > 0
A. (-3, 2)
B. (-3, ?)
C. (-?, -3) ? (2, ?)
D. (-?, -2) ? (3, ?)
Answer: C
Mathematics
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Subtract. Simplify the result whenever possible.
t - 
t
A. 
t
B. 
C. 
t
D. 
t
Mathematics
Solve.
- 
= 
A. {-7} B. {-7, 7} C. {7} D. ?
Mathematics
Find a formula for the nth partial sum of the series and use it to find the series' sum if the series converges.3 - 15 + 75 - 375 + ... + (-1)n-1 3 ? 5n-1 + ...
A. 
; series diverges
B. 
; 
C. 
; 
D. 
; series diverges
Mathematics
Evaluate the expression for the given replacement values.xy for x = 8, y = -2.7
A. 21.6 B. -216 C. -21.6 D. 216
Mathematics