Find the limit.

A. -1
B.
C. 1
D. No limit


Answer: B

Mathematics

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Find the area. Use 3.14 for ? as necessary.

A. 90 ft2 B. 36 ft2 C. 23 ft2 D. 45 ft2

Mathematics

Solve the problem.The position of a body moving on a coordinate line is given by  with s in meters and t in seconds. When, if ever, during the interval  does the body change direction?

A. At t = 6 sec B. At t = 3 sec C. At t = 12 sec D. No change in direction

Mathematics

Solve the problem.The table shows the number of dollars spent in Country X (in millions) on environmental protection programs during the years  through . Use least-squares regression to find the polynomial function that best models these data. Round coefficients to three decimal places. 

A. f(x) ? 0.005x3 - 0.102x2 + 0.805x + 4.697 B. f(x) ? -0.010x2 + 0.446x + 5.759 C. f(x) ? 0.007x3 - 0.105x2 + 0.805x + 4.397 D. f(x) ? -0.010x2 + 0.346x + 5.253

Mathematics

Find area of figure. Round to the nearest hundredth if necessary.

A. 264 in.2  B. 231 in.2  C. 319 in.2 D. 274 in.2 

Mathematics