?
Find the approximate change in z when the point 
changes from 
to 
.
; from 
to 
A. 
B. ?
C. ?
D. ?
E. ?
Answer: A
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Solve the problem.Suppose you would like to cross a 205-foot wide river in a boat. Assume that the boat can travel 33 mph relative to the water and that the current is flowing west at the rate of 5 mph. If the bearing is chosen so that the boat will land at a point exactly across from its starting point, how long will it take for the boat to make the crossing? Give your answer to the nearest second.
A. 17 sec B. 9 sec C. 4 sec D. 2 sec
Find the present value of the annuity. Round to the nearest cent.
Payments of $61 made quarterly for 5 years at 8% compounded quarterly
A. $997.44 B. $956.39 C. $243.56 D. $494.76
Use the limit properties to find the following limit.If 
f(x) = 15 and 
g(x) = 10, find 
[f(x) ? g(x)].
A. 25 B. 600 C. 150 D. Does not exist
Determine i) the domain of the function, ii) the range of the function, iii) the domain of the inverse, and iv) the range of the inverse.f(x) = 
A. f(x): D = {x|x ? 2}, R = {y ? 0};
f-1(x): D = {x|x ? 0}, R = {y|y ? 2}
B. f(x): D = 
, R = 
;
f-1(x): D = 
, R = 
C. f(x): D is all real numbers, R is all real numbers;
f-1(x): D is all real numbers, R is all real numbers
D. f(x): D is all real numbers, R = 
;
f-1(x): D = 
, R is all real numbers