The table shown was generated by a graphics calculator. The expression y1 represents f(x).
All the points lie on a straight line. What is the slope of the line?
A. -2
B. 
C. - 
D. 2
Answer: D
Mathematics
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Add or subtract as indicated. Make sure that your answer is reasonable by estimating first.85.265 + 31.11 + 578.539 + 397.741
A. 571.9699 B. 734.6881 C. 1372.645 D. 1092.655
Mathematics
Perform the indicated operations and simplify the result. Leave the answer in factored form.
- 
A. 4x B. 0 C. 9 D. 3
Mathematics
Does the graph represent a function that has an inverse function?
A. No B. Yes
Mathematics
Factor out the greatest common factor.20x3 - 40x2 + 30x
A. 10x(2x2 - 4x + 3) B. 10x(2x2 - 40x2 + 30x) C. 20x(x2 - 2x + 3) D. 10(2x3 - 4x2 + 3x)
Mathematics