Nicky042

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Find the slope-intercept form of the equation of the line through the point (-1, 2), parallel to the line -4x – 9y = -7.
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Graph the function:  f(x)= {2, x<1                               f(x)= {x^2 -2x+1, x>=1
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The price of x number of a certain stereo is modeled by the function R(x) = 150x. The total cost of making x stereos is C(x) = 90x-0.02x2.  % markup for 60 stereos? (A) 69% (B) 169% (C) 367% (D) 17%
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In 1980, the average  home price was $92,000.  By 1986, the average price was $104,000.  What is a linear model for the price P of a home in terms of year t?  Let t = 0 correspond to 1980.
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