Find the slope of the line. If the slope is undefined, state this.
A. 0
B. Undefined
C. 1
D. 
Answer: A
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Find the area.Find the area under the curve y = 
bounded on the left by x = 3.
A. 1
B. 
C. 
D. 4
Solve the problem.In a chemical reaction, the rate at which the amount of a reactant changes with time is proportional to the amount present, such that 
, when t is measured in hours. If there are 
of reactant present when t = 0, how many grams will be left after 
? Give your answer to the nearest tenth of a gram.
A. 0.1 g B. 3.9 g C. 1.9 g D. 5.8 g
Perform the requested operation on the given function.f(x) = 
, g(x) = 8x - 2Find (fg)(x).
A. 16x - 2
B. 
+ 16x
C. 16x2 - 4
D. 8x
- 2
Solve the system by the addition method. If there is no solution or an infinite number of solutions, so state. Use set notation to express the solution set.
A. {(7, 28)}
B. 
C. {(2, 4)}
D. no solution; ?