Determine the slope and the y-intercept of the graph of the equation.-x + 7y - 56 = 0
A. m = 
; (0, 8)
B. m = 7; (0, -56)
C. m = - 
; (0, 8)
D. m = -1; (0, 56)
Answer: A
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The circulation M, in thousands, of a magazine is a function of the time t in years since the beginning of 2000. The formula
?
?
is valid over the interval from 
to 
.A. Express in functional notation the circulation of the magazine in 2003, and then calculate that value.B. When did the circulation reach 136 thousand? Round your answer to the nearest whole number year.C. What was the maximum circulation, and when did that occur? Round both answers to the nearest whole number.
What will be an ideal response?
The table shown was generated by a graphics calculator. The expression y1 represents f(x).
If f(x) = 7, then x = ?
A. 2 B. 0 C. -2 D. Cannot be determined
Let 
.
?
Find the derivative 
of 
and the point on the graph of 
where the tangent line to the curve is horizontal.
?
A. 
B. 
C. ?
D. ?
Find approximate solutions of the equation.2x2 + 2.4x + 0.3 = 0
A. -0.14 or -1.06 B. 1.06 or 0.14 C. 1.06 or -1.06 D. -0.14 or 0.14