Find the quadratic approximation of f at x = 0.f(x) = 
A. Q(x) = 1 + 
B. Q(x) = 1 + 5x
C. Q(x) = 5x
D. Q(x) = 
Answer: D
Mathematics
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Convert to percent.2
A. 0.2% B. 20% C. 0.02% D. 200%
Mathematics
Write the given number in scientific notation.0.000000043202 Give the answer to three significant digits.
A. 4.32 × 108 B. 4.32 × 10-7 C. 4.32 × 10-8 D. 4.32 × 10-9
Mathematics
Convert the units.14 yd2 = 
ft2
A. 378 B. 126 C. 168 D. 42
Mathematics
Solve the problem.The population of a particular city is increasing at a rate proportional to its size. It follows the function 
where k is a constant and t is the time in years. If the current population is 40,000, in how many years is the population expected to be 100,000? (Round to the nearest year.)
A. 3 yr B. 8 yr C. 59 yr D. 5 yr
Mathematics