Use a CAS to plot the function near the point x0 being approached. From your plot guess the value of the limit.
A. 
B. 2
C. 4
D. 1
Answer: C
Mathematics
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Find the sum.Find the sum of the first 40 terms of the arithmetic sequence: -20, -12, -4, 4, . . .
A. 5600 B. 5440 C. 300 D. 5450
Mathematics
Solve the inequality, and graph the solution set.
< 0
A. (-?, -7)
B. (-?, -7) or (3, ?)
C. (-7, 3)
D. (3, ?)
Mathematics
Solve the equation.5x + 
= 
+ 5x
A. all real numbers
B. no solution
C. 
D. 0
Mathematics
Find an equation of the line through the pair of points. Write the equation in the form Ax + By = C.(-7, 0) and (-3, 7)
A. -7x - 10y = -91 B. 7x - 4y = -49 C. 7x + 10y = -91 D. -7x - 4y = -49
Mathematics