Find the numbers at which f is continuous. At which numbers is f discontinuous?f(x) = 3x - 2
A. continuous for all real numbers
B. continuous for all real numbers except x = 
C. continuous for all real numbers except x = 2
D. continuous for all real numbers except x = - 
Answer: A
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Express the graph shown using interval notation. Also express it as an inequality involving x.
A. [4, ?) x ? 4 B. (-?, 4) x < 4 C. (-?, 4] x ? 4 D. (4, ?) x > 4
Solve the problem.An experimental model for a suspension bridge is built. In one section, cable runs from the top of one tower down to the roadway, just touching it there, and up again to the top of a second tower. The towers are both 4 inches tall and stand 40 inches apart. Find the vertical distance from the roadway to the cable at a point on the road 10 inches from the lowest point of the cable.
A. 0.8 in. B. 1 in. C. 1.2 in. D. 4 in.
Simplify.
A. 
B. 
C. 
D. 
Solve the problem.Find the total income produced by a continuous income stream in the first four years if the rate of flow is 
(Round answer to the nearest dollar.)
A. $564 B. $18,792 C. $2486 D. $2125