Graph the function f(x) over the given interval. Partition the interval into 4 subintervals of equal length. Then add to your sketch the rectangles associated with the Riemann sum 
, using the indicated point in the kth subinterval for ck.f(x) = 2x + 4, [0, 2], left-hand endpoint
A. 
B. 
C. 
D. 
Answer: D
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Solve.The monthly sales (in thousands of dollars) of a small business can be modeled by the function 
where x is the time in months, with x = 0 corresponding to July. Find the first three terms of the Maclauren expansion of this function.
A. 60 - 
?x- 
?2x2 + . . .
B. 60 - 
?2x2 + 
?4x4 + . . .
C. 60 - 
?2x2 + 
?4x4 + . . .
D. 60 - 
x2 + 
x4 + . . .
Find the root.- 
A. Not real number B. 25 C. 8.368 D. -5
Show that f is not one-to-one by finding two inputs that result in the same output. Answers may vary.f(x) = 2x2
Fill in the blank(s) with the appropriate word(s).
Find an equation for the line, in the indicated form, with the given properties. Containing the points (7, 0) and (-7, 3); general form
A. 3x + 14y = 21 B. -3x + 14y = 21 C. 7x - 10y = 19 D. -7x + 10y = 19