Multiply.(3x2 + 5x + 5)(x2 + 5x + 1)
A. 3x4 + 20x3 + 28x2 + 30x + 5
B. 3x4 + 15x3 + 28x2 + 30x + 5
C. 3x4 + 15x3 + 33x2 + 30x + 5
D. 3x4 + 20x3 + 33x2 + 30x + 5
Answer: D
Mathematics
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The function f is one-to-one. Find its inverse.f(x) = x2 - 6, x ? 0
A. f-1(x) = 
+ 6, x < 0
B. f-1(x) = 
+ 6, x ? 0
C. f-1(x) = 
, x ? 6
D. f-1(x) = 
, x ? -6
Mathematics
Solve the problem.Find g(a + 1) when g(x) = 
x + 1.
A. 
B. 
a - 2
C. 
a + 1
D. 
Mathematics
The graph of the difference equation yn = 0.98yn-1 + 2, y0 = 200 is
A. oscillating and attracted to the line y = 100. B. decreasing and attracted to the line y = 100. C. decreasing and repelled by the line y = 100. D. increasing and attracted to the line y = 100. E. none of these
Mathematics
Add or subtract. Express the answer as a mixed number.12
- 
A. 12
B. 11
C. 10
D. 11
Mathematics