Add or subtract. Simplify the answer.
- 
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Estimate the slope of the curve at the indicated point.
A. 1 B. Undefined C. -1 D. 0
Mathematics
Find the indicated series by the given operation.Show that by differentiating term by term the expansion of 
the result is the expansion for 
A. 
(1 + 2x - 3x2 + 4x3 - . . .) = -2(1 + 3x - 6x2 + . . . )
B. 
(1 - 4x + 6x2 - 8x3 + . . .) = -2( 2 - 6x + 12x2 - . . .)
C. 
(1 - 2x + 3x2 - 4x3 + . . .) = -2(1 - 3x + 6x2 - . . .)
D. 
(2x + 3x2 - 4x3 + . . .) = -2(1 - 3x + 6x2 - . . .)
Mathematics
Use the commutative and associative properties to simplify the expression.-5(8y)
A. 3y B. -40 + y C. 40y D. -40y
Mathematics
Solve the system of equations. Let z be the parameter. 7x + 3y + 5z = -14 3x + y + 2z = -1
A. 
B. (-11 + z, 35 + z, z)
C. 
D. 
Mathematics