Simplify.i22
A. 1
B. -i
C. i
D. -1
Answer: D
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Graph the function f(x) over the given interval. Partition the interval into 4 subintervals of equal length. Then add to your sketch the rectangles associated with the Riemann sum 
, using the indicated point in the kth subinterval for ck.f(x) = -2x2, [0, 4], midpoint
A. 
B. 
C. 
D. 
A force with magnitude N acts directly upward from the xy-plane on an object with mass 6 kg. The object starts at the origin with initial velocity v(0) = 7i-2j. Find its position function.
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Write the ratio in fractional form and simplify completely.90 dollars : 100 dollars
A. 
B. 
C. 
D. 
State whether the given function is linear and constant, linear but not constant, or nonlinear.f(x) = -9x3 - 5x + 17
A. linear, but not constant B. none of these C. nonlinear D. linear, constant