Find the limit.
tan-1 x
A. - 
B. 0
C. -?
D. 
Answer: A
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You start with an investment of $1482.65. The first year the investment declines by 7%. The second year the investment grows by 8%. What is the value of the investment at the end of the two-year period? Round your answer to the nearest cent. ?
A. $1489.17 B. $1459.52 C. $14.83 D. $112.09
An electric company charges a connection fee of $61 plus $0.19 for each kilowatt-hour of electricity used. ? A: Write a formula that gives the cost E, in dollars, of connecting and using h kilowatt-hours of electricity. ? B: Solve the equation you found in part A to express the kilowatt-hours used as a function of the cost E. ? C: How many kilowatt-hours are used if the total charge (connection plus charge for electricity usage) is $155.67?
What will be an ideal response?
The graphs of two equations are shown. Use the intersection-of-graphs method to identify the solution to both equations.Line A: x + y = 6Line B: x - y = 4
A. (5, 1) B. (1, 5) C. (4, 6) D. (6, 4)
Simplify. Assume that no radicands were formed by raising negative quantities to even powers.
A. b
B. 
C. 
D. 2