Find the limit, if it exists.
?
?
A. 
B. 
C. 
D. 
E. The limit does not exist
Answer: A
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Solve the problem.The graph below shows the first derivative of a function 
. Select a possible graph f that passes through the point P. f'
A. 
B. 
C. 
D. 
Factor.x2 + 5x + 4
A. (x + 4)(x - 1) B. (x - 4)(x - 1) C. (x + 4)(x + 1) D. (x - 4)(x + 1)
Determine whether the graph is that of a function. If it is, use the graph to find its domain and range, the intercepts, if any, and any symmetry with respect to the x-axis, the y-axis, or the origin.
A. function domain: all real numbers range: all real numbers intercepts: (-2, 0), (0, 2), (2, 0) symmetry: none B. function domain: {x|x ? -2} range: {y|y ? 0} intercepts: (-2, 0), (0, 2), (2, 0) symmetry: none C. function domain: {x|x ? 0} range: {y|y ? -2} intercepts: (-2, 0), (0, 2), (2, 0) symmetry: y-axis D. not a function
If a family has 7 children, in how many ways could the parents have 3 boys and 4 girls as children? ?
A. 7 B. 38 C. 3 D. 40 E. 35