Simplify the expression by combining like terms if possible.4x + 9x
A. 13 + x
B. -5x
C. 36x
D. 13x
Answer: D
Mathematics
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Find the limit.
(x3 + 5x2 - 7x + 1)
A. 0 B. 29 C. 15 D. does not exist
Mathematics
Solve the given system of equations algebraically.4x2 - 3y2 = -112x2 + 5y2 = 53
A. x = 2, y = 3; x = -2, y = 3; x = 2, y = -3; x = -2, y = -3 B. x = 2, y = 3; x = 3, y = 2; x = -2, y = -3; x = -3, y = -2 C. x = -2, y = -3; x = -3, y = -2 D. x = 2, y = -3; x = 2, y = 3
Mathematics
Integrate the function.
A. 
csc4 x cot x + C
B. - 
csc4 x + C
C. - 
cot3 x + C
D. - 
csc3 x + C
Mathematics
Write the number in scientific notation.0.0000066117
A. 6.6117 × 10-7 B. 6.6117 × 106 C. 6.6117 × 10-6 D. 6.6117 × 10-5
Mathematics