The table shown was generated by a graphics calculator. The expression y1 represents f(x).
If f(x) = 7, then x = ?
A. 2
B. 0
C. -2
D. Cannot be determined
Answer: A
Mathematics
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Find the mass of the lamina that occupies the region D and has the given density function, if D is bounded by the parabola x = y² and the line y = x - 2.
p(x, y) = 3.
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Find the sum of the given infinite geometric series if possible. Write the answer as a decimal number if appropriate.8 - 2 + 
- 
+ . . .
A. 7.1 B. 7.4 C. 5.9 D. 6.4
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Change the given quantity to the indicated unit.8.71 m = 
cm
A. 87.1 cm B. 0.871 cm C. 871 cm D. 0.0871 cm
Mathematics
Determine the upper and lower bounds on the zeros of the given function.F(x) = 3x4 - 8x3 - 8x - 9
A. upper bound: 2; lower bound: -2 B. upper bound: 1; lower bound: -1 C. upper bound: 1; lower bound: -2 D. upper bound: 4; lower bound: -1
Mathematics