Simplify the following rational expression.
?
?
A. 
B. ?
C. ?
D. ?
E. ?
Answer: B
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Use Newton's method to approximate all the intersection points of the pair of curves. Some preliminary graphing or analysis may help in choosing good initial approximations. Round to six decimal places.y = ln(x + 2) and y = x3
A. x ? 0.535518 B. x ? 1.288018 C. x ? 1.035518 D. x ? 0.278018
Use the graph of the function f(x) to locate the local extrema and identify the intervals where the function is concave up and concave down.
A. Local minimum at x = +1; local maximum at x =-1; concave up on (0, ?); concave down on (-?, 0) B. Local minimum at x = +1; local maximum at x =-1; concave down on (0, ?); concave up on (-?, 0) C. Local maximum at x = +1; local minimum at x =-1; concave up on (0, ?); concave down on (-?, 0) D. Local maximum at x = +1; local minimum at x =-1; concave up on (-?, ?)
For the given function expressed verbally, give a graphical representation. To convert x square yards to y square feet, multiply x by 9. Let y = f(x) and 
A. 
B. 
C. 
D. 
Solve.
= 
A. {1} B. {0} C. {2} D. ?