Multiply.
2
A. z2 - 
z + 
B. z2 - 
z - 
C. z2 + 
D. z2 - 
z + 
Answer: A
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If r(t) is the position vector of a particle in the plane at time t, find the indicated vector.Find the velocity vector.r(t) = (cot t)i + (csc t)j
A. v = (csc2 t)i + (cot t csc t)j B. v = (-sec2 t)i - (tan t sec t)j C. v = (sec2 t)i + (tan t sec t)j D. v = (-csc2 t)i - (cot t csc t)j
Use transformations to graph the function.f(x) = 
- 8
A. 
B. 
C. 
D. 
Solve the problem.A city is growing at the rate of 0.6% annually. If there were 2,520,000 residents in the city in 1993, find how many (to the nearest ten-thousand) were living in that city in 2000. Use 
A. 2,630,000 B. 2,660,000 C. 6,800,000 D. 290,000
Solve the problem.The amount of tread left on a tire varies inversely as the number of miles the tire has traveled. A tire that has traveled 91,000 miles has 
inches of tread left. How much tread will be left on a tire that has traveled 44,000 miles?
A. 
in.
B. 
in.
C. 
in.
D. 208,000 in.