The following table lists the average price, in dollars, of a personal computer at Jaytech in several recent years.





(a) Use the REGRESSION feature to fit a linear function to the data.

(b) Use the linear function to estimate the average price of a personal computer in 1997.


(a) p = ?84.33x +169796.33
(b) $1382.67

Mathematics

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Evaluate the integral.dt

A.   sin t -   sin t + C
B.   sin t -   sin t + C
C.   cos t +   cos t + C
D.   sin t -   sin 7t + C

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Find the length of the curve. Select the correct answer.

Mathematics

The graph of a linear function f is shown. Identify the y-intercept and x-intercept. 

A. y-intercept: (0, 2); x-intercept: 
B. y-intercept: (0, 2); x-intercept: 
C. y-intercept: (0, -2); x-intercept: 
D. y-intercept: (0, -2); x-intercept: 

Mathematics

Write an equation for a function whose graph fits the given description.The graph of f(x) =  is reflected across the y-axis. This graph is then vertically stretched by a factor of 1.9. Finally, the graph is shifted 2 units downward.

A. f(x) = 2 - 1.9
B. f(x) = -1.9 - 2
C. f(x) = 1.9 + 2
D. f(x) = 1.9 - 2

Mathematics