Determine whether the expressions are equivalent.2x - 12x, 2(x - 6)
A. Yes
B. No
Answer: B
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Describe the rigid motion(s) that would be used to transform the above figure into the figure shown below.
A. Rotate 180° B. Reflect about vertical axis C. Reflect about diagonal axis D. Reflect about horizontal axis
Round to the indicated place value.Round to the nearest one: 6323.53
A. 6323.5 B. 6323 C. 6324
Round as indicated.6171 to the nearest hundred
A. 6100 B. 6300 C. 6190 D. 6200
Let 
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Use a Riemann sum with four subintervals of equal length (
) to approximate the area of R (under the graph of f on the interval [0, 2]). Choose the representative points to be the left end points of the subintervals.
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Repeat previous part with eight subintervals of equal length (
).
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Compare the approximations obtained in previous parts with the exact area (4 sq units). Do the approximations improve with larger n?
?
A. 4.8 sq units; 4.4 sq units; yes
B. 4.4 sq units; 4.8 sq units; yes
C. 4.8 sq units; 4.4 sq units; no
D. 4.4 sq units; 4.8 sq units; no