Round the addend as indicated before performing the addition.Estimate the sum by rounding each number to the nearest ten.89 + 19 + 66 + 88 + 22
A. 300
B. 280
C. 284
D. 290
Answer: D
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Solve the problem.A small toy company that only makes action figures is owned by its stockholders. The dividend per share of stock is a function of the number of action figures it sells and is defined by 
where x is the number of action figures sold. What is the dividend for each share of stock if 1350 action figures are sold?
A. -$268.48 B. $1.59 C. $1.46 D. -$1.46
Graph the hyperbola.
- 
= 1
A. 
B. 
C. 
D. 
Solve the problem.The graph shows the amount of potential energy V(x) (in arbitrary energy units) stored in a large rubber band that is stretched a distance of x inches beyond its relaxed length.
The magnitude of the force required to hold the rubber band at the position 
is the derivative of the potential energy with respect to x, evaluated at the point 
Estimate the force required to hold the band at a stretched
position 
(Hint: the force in this problem has units of "energy units per inch".)
A. 3.7 energy units per inch
B. 2.6 energy units per inch
C. 4.4 energy units per inch
D. 0.4 energy units per inch
Provide an appropriate response.Find the slope of a line perpendicular to the line 10x - 2y = 20.
A. - 5
B. 5
C. - 
D. 