Write the shaded area in the figure as a mixed number and as an improper fraction.

A. 1;  
B. 1;  
C. 1;  
D. 1;  


Answer: A

Mathematics

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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 acceleration vector.r(t) = (4 cos t)i + (8 sin t)j

A. a = (-4 cos t)i + (-8 sin t)j B. a  = (4 sin t)i + (8 cos t)j C. a = (4 cos t)i + (8 sin t)j D. a  = (-4 sin t)i + (-8 cos t)j

Mathematics

Use a graphing utility to graph the function over the indicated interval and approximate any local maxima and local minima. Determine where the function is increasing and where it is decreasing. If necessary, round answers to two decimal places.f(x) = x5 - x2; (-2, 2)

What will be an ideal response?

Mathematics

For the given whole number, determine the place value of the digit 3.30,500,421

A. ten-thousands B. tens C. ten-millions D. millions

Mathematics

Find the product.2 × 

A.
B. 2
C. 2
D.

Mathematics