The following table shows the average yearly income, in dollars, of individuals based on years of schooling.
(a) Using the data points (8, 18,000) and (14, 30,000) find a linear function that fits the data.
(b) Use the linear function to predict average income for an individual with 16 years of schooling.
(a) I = 2000x + 2000
(b) $34,000
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Solve the problem.From a distance of x feet to a 120-meter-high radio tower, the angle of elevation is ? degrees. Then 
Use a reciprocal identity to rewrite this formula.
A. 120 sec ?
B. 120 cot ?
C. 
D. 
Determine, without graphing, whether the given quadratic function has a maximum value or a minimum value and then find that value.f(x) = -4x2 + 4x
A. maximum; 1 B. minimum; - 1 C. minimum; 1 D. maximum; - 1
The graph of a function is given. Determine whether the function is increasing, decreasing, or constant on the given interval.[- 3, - 
]
A. constant B. increasing C. decreasing
Solve. Round all dollar amounts to the nearest cent, if necessary.$6050 is compounded daily at 10%. Find the total amount in the account after 5 years. (The compound interest factor is 1.64861.)
A. $4987.05 B. $997.41 C. $49,870.45 D. $9974.09