Write the expression in the form bi, where b is a real number.
A. -9i
B. 9i
C. ±9
D. i
Answer: B
Mathematics
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Refer to the graph of the function f(x). Provide an appropriate response.Find f(-3).
A. -4 B. -2 C. 2 D. 0
Mathematics
Determine which of the numbers below is a possible order of magnitude estimate of the quantity described.The weight of a grain of rice.
A. 0.000001 ounces B. 0.006 ounces C. 0.01 ounces D. 0.0006 ounces
Mathematics
Which of the following are described by an equation of change of the form 
?
?
A. Height of snow on the ground when snow is falling at a constant rate. B. Depth of water in a cylindrical glass when water is added at a constant rate. C. Money in a penny bank when pennies are added on a regular basis. D. All of the above
Mathematics
Find the limit.
A. 0 B. 6 C. 1 D. Does not exist
Mathematics