Sketch by hand the graph of the function.f(x) = log3 x
A. 
B. 
C. 
D. 
Answer: C
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Identrify the critical points and find the maximum and minimum value on the given interval I.f(x) = x2 + 2x; I = 
A. Critical points: 0, 2; maximum value 8; minimum value 0
B. Critical points: - 
, - 1, 
; maximum value 
; minimum value - 1
C. Critical points: - 
, - 1, 
; maximum value - 
; minimum value - 1
D. Critical points: - 1; minimum value - 1
Evaluate the integral.
A. sin-1 (ex) + C
B. sec-1 (ex) + C
C. ex sin-1 (ex) + C
D. -2
+ C
Solve the problem.The wind chill factor represents the equivalent air temperature at a standard wind speed that would produce the same heat loss as the given temperature and wind speed. One formula for computing the equivalent temperature is W(t) = 
where v represents the wind speed (in meters per second) and t represents the air temperature 
. Compute the wind chill for an air temperature of 15°C and a wind speed of 12 meters per second. (Round the answer to one decimal place.)
Fill in the blank(s) with the appropriate word(s).
Solve the problem.The future value of 
invested for 5 years at rate r, compounded annually, is given by 
. Find the rate r, as a percent, that gives a future value from $5610 to $6442, inclusive. Round to the nearest whole percent.
A. 8% ? r ? 13% B. 7% ? r ? 15% C. 6% ? r ? 9% D. 7% ? r ? 10%