Write the first five terms of the arithmetic sequence.
?
?
A. -5, -3, -1, 1, 3
B. -7, -14, -28, -56, -112
C. -7, -9, -11, -13, -15
D. -7, -5, -12, -19, -26
E. -7, -5, -3, -1, 1
Answer: E
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Use L'H
pital's rule to find the limit.
xsin x
A. 0 B. ? C. -1 D. 1
Use graphical methods to find values of x and y satisfying the given conditions. Find the value of the maximum or minimum.Find x ? 0 and y ? 0 such that2x + 6y ? 30 4x + 2y ? 20 and z = 0.18x + 0.12y is minimized.
A. Minimum of 1.86 when x = 9 and y = 2 B. Minimum of 1.08 when x = 4 and y = 3 C. Minimum of 1.02 when x = 3 and y = 4 D. Minimum of 1.2 when x = 4 and y = 4
Simplify the expression. Assume that all variables are positive when they appear.
A. -2 B. 16 C. 2 D. not a real number
Find the following. Assume that letters can represent any real number.
A. 
B. 
C. 5a + b
D. 