Evaluate if possible.
- 
A. -1
B. 9
C. 3
D. 1
Answer: D
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Test the vector field F to determine if it is conservative.F = -cos x cos yi + sin x sin yj - sec2 zk
A. Not conservative B. Conservative
Perform the conversion. Round to the nearest hundredth when necessary.13.8 m to ft
A. 12.61 ft B. 4.21 ft C. 45.26 ft D. 15.04 ft
Solve.In 1985, the number of female athletes participating in Summer Olympic-Type Games was 550. In 1996, about 3550 participated in the Summer Olympics in Atlanta. Assuming that 
and that the exponential model applies, find the value of k rounded to the hundredths place, and write the function.
A. k = 0.16; P(t) = 500e0.16t B. k = 0.17; P(t) = 500e0.27t C. k = 0.19; P(t) = 500e0.19t D. k = 0.17; P(t) = 500e0.17t
Estimate the sum or difference by rounding each number to the nearest hundred.
A. 534 B. 1400 C. 600 D. 500