Approximate the area under the graph of f(x) and above the x-axis using n rectangles.f(x) = 
from x = 3 to x = 5; n = 2; use midpoints
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Perform the indicated operation. Simplify the answer when possible.
? 
A. 
B. 5
C. 
D. 5
Mathematics
Solve the problem. Express the answer in scientific notation to two decimals.The national debt of a small country is $6,670,000,000 and the population is 2,884,000. What is the amount of debt per person?
A. $2.31 × 103 B. $23.10 C. $2.31 × 106 D. $2.31
Mathematics
Perform the indicated operations and simplify the result. Leave the answer in factored form.
? 
A. - 
B. - 
C. 
D. - 
Mathematics
Find an equation of the ellipse.An ellipse with center at origin, length of major axis 10 and y-intercepts 
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Mathematics