Write the following in interval notation.{x| -5 < x < 6}
A. (-5, 6]
B. [-5, 6)
C. (-5, 6)
D. [-5, 6]
Answer: C
Mathematics
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Simplify by combining like terms.-9x2 + 9x3 + 3x - x2 + 7x - x3
A. 8x3 - 10x2 + 10x B. 8x3 - 10x2 + 3 x C. 9x3 - 9x2 + 10x D. 9x3 - 9x2 + 10x - x3 - x2
Mathematics
Simplify the expression. Assume that all variables are non-negative.
A. 13
B. 13
C. 
D. 2
Mathematics
Solve the equation.(ex)x ? e32 = e12x
A. {-4, -8} B. {8} C. {4} D. {4, 8}
Mathematics
Solve the problem by estimating.Linda scored 82, 95, 90, 68, 64, and 100 on her calculus tests. Round each score to the nearest ten to estimate her total score.
A. 500 B. 510 C. 480 D. 490
Mathematics