Let A = 
and B = 
In order for A and B to be inverses, x and y must be
A. x = -5, y = 
.
B. x = 1, y = 0.
C. x = - 
, y = 
.
D. x = 1, y = 
.
E. none of these
Answer: C
Mathematics
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A. True B. False
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For the pair of functions, perform the indicated operation.f(x) = x3 + 3x2, g(x) = 
Find (f + g)(x).
A. x3 +
B. x3 + 3x2 + x - 8
C. x3 + 3x2 + 
D. 
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Let 
. Find the value of the given capital letter.
?
?
__________
Fill in the blank(s) with the appropriate word(s).
Mathematics
Perform the indicated operations. Write the resulting polynomial in standard form.2(-4x3 + x2 - 1) - 7(2x3 + 4x + 2)
A. -22x3 + 2x2 - 28x + 16 B. -22x3 + 2x2 + 28x - 16 C. -22x3 + 2x2 - 28x - 16 D. -22x3 + x2 - 28x - 16
Mathematics