Evaluate the logarithm using the change-of-base formula. Round your result to three decimal places.
?
log9 0.1
?
A. 2.952
B. -0.048
C. -1.048
D. 1.952
E. 0.952
Answer: C
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Perform the indicated operations. Assume that all variables represent nonnegative real numbers.7
- 5x
A. 7
- 5x
B. 2x
C. 2x
D. 12
Solve the problem.An airplane is flying in the direction 80° west of north at 758 km/hr. Find the component form of the velocity of the airplane, assuming that the positive x-axis represents due east and the positive y-axis represents due north.
A. 
B. 
C. 
D. 
Solve the problem.The northern third of Indiana is a rectangle measuring 96 miles by 132 miles. Thus, let 
Assuming that the total annual snowfall (in inches), S(x,y), at 
is given by the function S(x,y) = 60e-0.001(2x + y) with (x,y) ? D, find the average snowfall on D.
A. 52.06 inches B. 51.14 inches C. 52.44 inches D. 51.78 inches
Find an upper bound for the magnitude |E| of the error in the linear approximation L to f at the given point over the given region.
at 
R: |x - 2| ? 0.2, |y - 1| ? 0.2
A. |E| ? 12.16512 B. |E| ? 17.23392 C. |E| ? 17.47104 D. |E| ? 22.30272