Multiply.(8x + 11y)2
A. 8x2 + 176xy + 121y2
B. 64x2 + 121y2
C. 64x2 + 176xy + 121y2
D. 8x2 + 121y2
Answer: C
Mathematics
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Use logarithmic differentiation to find the derivative of y with respect to the independent variable.y = (cos x)x
A. (cos x)x (ln cos x - x tan x) B. ln x(cos x)x - 1 C. ln cos x - x tan x D. (cos x)x (ln cos x + x cot x)
Mathematics
For the following question(s), refer to the digraph below.
Vertex A has
A. indegree 0, outdegree 3. B. indegree 1, outdegree 2. C. indegree 2, outdegree 1. D. indegree 3, outdegree 0. E. none of these
Mathematics
Subtract and write the result in lowest terms.
- 
A. 
B. 
C. 
D. 
Mathematics
Use "intersect" on a graphing calculator to solve the equation. Round the solution to the fourth decimal place.2ex = 7 - 3x
A. 0.7721 B. 4.5404 C. 4.6838 D. 0.8199
Mathematics