The origin of a graph:
a. Is the point where the curve begins
b. Is the point where the curve crosses the x-axis
c. Is the intersection of the x-axis and y-axis
d. Is the point where the curve crosses the y-axis
e. Is the locus of all points on a curve
c. Is the intersection of the x-axis and y-axis
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Use integration by parts to establish a reduction formula for the integral.
, n ? 1
A. 
= secn-2 x tan x - (n - 2) 
B. 
= 
secn x tan x - 
C. 
= secn-2 x tan x + (n - 2) 
D. 
= 
secn-2 x tan x + 
Simplify the complex rational expression using Method 1.
A. x - 7
B. 
C. 
D. x + 7
Write the mixed number as an improper fraction.3
A. 
B. 
C. 
D. 
Solve the problem.The sum of two numbers is 49 and their difference is 1. Find the numbers.
A. 49 and 0 B. 26 and 27 C. 23 and 26 D. 25 and 24