Use the product and quotient rules, as necessary, to simplify the radical expression.
A. 14
B. 2
C. 12
D. 2
Answer: B
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Give all solutions of the nonlinear system of equations, including those with nonreal complex components.x2 + y2 = 113x - y = 1
A. {(-7, -8), (8, 7)} B. {(7, -8), (8, -7)} C. {(7, 8), (8, 7)} D. {(-7, 8), (-8, 7)}
A canoeist rows downstream in 0.5 hours and back upstream in 3 hours. What is the rate of the current if the distance rowed is 3 miles in each direction? Give your answer to one decimal place, if required. ? __________ mph
Fill in the blank(s) with the appropriate word(s).
Solve the problem.Two forces of magnitude 25 pounds and 40 pounds act on an object. The force of 40 lb acts along the positive x-axis, and the force of 25 lb acts at an angle of 80° with the positive x-axis. Find the direction and magnitude of the resultant force. Round the direction and magnitude to the nearest whole number.
A. Direction: 40°; magnitude: 47 lb B. Direction: 4°; magnitude: 65 lb C. Direction: 51°; magnitude: 51 lb D. Direction: 29°; magnitude: 51 lb
Determine the value of the limit.
f(x) , where f(x) = 
A. ? B. 4 C. 1 D. -?