Let 
and 
.
?
Evaluate A + B.
?
A. 
B. 
C. 
D. 
E. 
Answer: C
Mathematics
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Use a finite approximation to estimate the area under the graph of the given function on the stated interval as instructed.f(x) = 
between x = 2 and x = 8 using an upper sum with two rectangles of equal width.
A. 
B. 
C. 
D. 
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Graph the equation using the slope and the y-intercept.y = 
x - 3
A. 
B. 
C. 
D. 
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Check the given value to see if it is a solution to the equation.
+ 
= 
; x = 11
A. Yes B. No
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Find the square root.- 
A. 21 B. -220 C. -21 D. Not a real number
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