Graph the polar equation.r = tan ?, - 
< ? < 
A. 
B. 
C. 
D. 
Answer: D
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The following data show the diameter D and the height H, both in feet, of certain mature trees. Tree Cottonwood Hackberry Weeping willow Ponderosa pine Douglas fir D 2.4 5.06 6.07 8.06 14.08 H 80.87 113.1 95.05 164.81 223.23? A: Use power regression to model the height as a function of the diameter. Use two digits of accuracy for the coefficient and for the power.B: According to the model, what is the diameter of a mature tree that is 7.89 feet tall? Round your answer to two decimal places.C: If one mature tree has 4 times the diameter of another, how do their heights compare? Round your answer to two decimal places.
What will be an ideal response?
Find x: log x = 6.5024
a. 2.88 ð 104 b. 3.18 ð 106 c. 6.50 ð 106 d. 8.60 ð 105 e. 7.00 ð 103
Add a constant term to the expression to make it a perfect square.x2 - 6x
A. -9 B. 3 C. 9 D. 36
Evaluate using integration by parts.
? 4x cos (2x)dx What will be an ideal response?