Use the graph of the quadratic function to determine the sign of the leading coefficient, the vertex, and the equation of the axis of symmetry.
A. Negative; (-1, 3); y = 3
B. Negative; (-1, 3); x = -1
C. Positive; (1, 3); x = 1
D. Positive; (-1, 3); x = -1
Answer: B
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Use the shell method to find the volume of the solid generated by revolving the region bounded by the given curves and lines about the x-axis.x = 5
, x = - 5y, y = 1
A. 
?
B. 10?
C. 
?
D. 
?
Solve the rational equation.
- 
= 
A. {-42} B. {-7} C. {-66} D. {7}
Solve the problem.The resistance R produced by wiring resistors of R1, R2, and R3 ohms in parallel can be calculated from the formula 
If R1, R2, and R3 are measured to be 3 ohms, 10 ohms, and 8 ohms respectively, and if these measurements are accurate to within 0.05 ohms, estimate the maximum possible error in computing R.
A. 0.018 B. 0.013 C. 0.022 D. 0.026
Use the information given in the table to solve the problem.The table gives the Consumer Price Index for selected years.
What is the percent change (to the nearest tenth of a percent) in prices from 1965 to 1980?
A. 104.4 % B. 100.9 % C. 202.5 % D. 102.1 %