The radius of a circular puddle is growing at a rate of 
. How fast is the area growing at the instant when it equals 20 cm2? Round your answer to the nearest whole number.
?
A. 
B. 
C. 
D. 
E. 
Answer: A
Mathematics
You might also like to view...
Use properties of logarithms to condense the logarithmic expression. Write the expression as a single logarithm whose coefficient is 1. Where possible, evaluate logarithmic expressions.log x + log(x2 - 64) - log 7 - log(x - 8)
A. log 
B. log 
C. log 
D. log 
Mathematics
The graph of a logarithmic function is shown. Select the function which matches the graph.
A. y = log2x B. y = 1 - log2x C. y = log2(-x) D. y = -log2x
Mathematics
Perform the indicated operations and write the answer in the form 
where a and b are real numbers.(3 + 4i)(8 + 4i)
A. 8 + 44i B. 40 + 20i C. 8 - 44i D. 16i2 + 44i + 24
Mathematics
Add. Simplify, if possible.
+ 
A. 
B. 
C. 
D. 
Mathematics