Use the power rules for exponents to simplify. Write the answer in exponential form.
7
A. 87
B. 
C. 
D. 
Answer: D
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Graph the parabola or ellipse. Include the directrix that corresponds to the focus at the origin.r = 
A. 
B. 
C. 
D. 
A certain tree grows by 2/t + e(-t2/2) feet per year, where t is the time in years. Use Simpson's rule with whole year intervals to estimate the total growth during the stated time interval.From t = 1 to t = 3
A. 3.5 ft B. 3.94664 ft C. 2.59378 ft D. 2.14706 ft
Provide an appropriate response.Count the small squares to determine the radius of the circle. Determine the area of the circle using its formula. Find the square that has all four corners touching the circle. Note its dimensions and its area. This is an inscribed square. Find the square that contains the entire circle and touches the circle at four points. Note its dimensions and its area. This is a circumscribed circle. Discuss how the areas of these two squares compare to the area of the circle? 
What will be an ideal response?
Find, if possible, the whole number that makes the equation true.45 ÷ 
+ 6 = 21
A. 6 B. 1 C. 15 D. 3