Round to the indicated place.The Dow Jones Industrial Average increased by 3.443% last week. Express this change rounded to the nearest tenth.
A. 3.3%
B. 3.5%
C. 3.44%
D. 3.4%
Answer: D
Mathematics
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Evaluate the improper integral or state that it is divergent.
A. 20 B. -20 C. 0 D. Divergent
Mathematics
Fill in the blank with one of the words or phrases listed below. 
The 
helps us find the number and type of solutions of a quadratic equation.
A. completing the square B. discriminant C. quadratic formula D. quadratic
Mathematics
Solve the problem.The formula y = 
models the average cost per unit, y, for Electrostuff to manufacture x units of Electrogadget IV. How many units must the company produce to have an average cost per unit of $410?
A. 147 units B. 127 units C. 149 units D. 116 units
Mathematics
Name the conic.
A. parabola B. ellipse C. hyperbola D. circle
Mathematics