Find the value of the algebraic expression at the given replacement value.
when x1 = 4, x2 = -5, y1 = 1, y2 = -3
A. 
B. 36
C. 5
D. 
Answer: A
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Determine whether f and g are inverses by determining whether 
and 
f(x) = 
, g(x) = 
A. Yes B. No
Use a proportion to solve the problem.It takes 60 oz of grass seed to seed 3300 ft2 of lawn. At this rate, about how much would be needed for 
of lawn? Round to the nearest whole number.
A. 106 oz B. 107 oz C. 330,000 oz D. 109 oz
Name the quadrant, if any, in which the point is located.(-10, 20)
A. None B. II C. III D. I
Solve the problem.Use the formula N = Iekt, where N is the number of items in terms of the initial population I, at time t, and k is the growth constant equal to the percent of growth per unit of time. An artifact is discovered at a certain site. If it has 61% of the carbon-14 it originally contained, what is the approximate age of the artifact? (carbon-14 decays at the rate of 0.0125% annually.)
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