Multiply the polynomials. Express the answer as a single polynomial in standard form.(13y + x)(13y - x)
A. 169y2 - x2
B. 169y2 + 26xy - x2
C. 169y2 - 26xy - x2
D. 26y2 - x2
Answer: A
Mathematics
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Determine the indefinite integral.
, x < ln 2
A. - 
csch-1 
+ C
B. 
tanh-1 
+ C
C. sinh-1 
+ C
D. - 
sech-1 
+ C
Mathematics
Graph the pair of functions on the same plane. Use a dashed line for g(x).f(x) = x2 , g(x) = - 
(x + 2)2 + 5
A. 
B. 
C. 
D. 
Mathematics
Determine whether the equation in one variable is linear.
= 7
A. linear B. not linear
Mathematics
Translate the sentence into an equation and solve it.The sum of fifteen and four times n is the same as the difference between three times n and seven. Find n.
A. 15 + 4n = 3n - 7,n = -22 B. 15 - 4n = 7 - 3n, n = 8 C. 15 + 4n = 3n - 7, n = 8 D. 15 + 4n = 7 - 3n, n = -1
Mathematics