Use the substitution-of-variable technique to solve the system analytically.
+ 
= 
- 
= - 
A. {(3, -2)}
B. 
C. {(2, -3)}
D. {(-3, 2)}
Answer: D
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The following table shows the cost C, in dollars, of taking k kids to a water park.
1 2 3 4
$43 $59 $75 $91?
Which formula below fits these data?
?
A. 
B. 
C. 
D. None of the above
Determine which, if any, of the three statements are equivalent.I) If it is sunny and the pool is open, then I will go swimming.II) If I do not go swimming, then it it is not the case that it is sunny or the pool is open.III) It is sunny and the pool is open, or I will go swimming.
A. I, II and III are equivalent B. II and III are equivalent C. I and III are equivalent D. None are equivalent
Identify the intervals where the function is changing as requested.Decreasing
A. (5, 1) B. (5, 12) C. (6, 12) D. (6, 1)
Solve the problem.An accountant tabulated a firm's profits for four recent years in the following table:
The accountant then fit both a linear graph and an exponential curve (seen below) to the data, in order to estimate future profits. Use the exponential graph to estimate the profits in the year 2002.
A. About $750,000 B. About $1,000,000 C. About $1,300,000 D. About $1,700,000