Approximate the area under the graph of f(x) and above the x-axis using n rectangles.f(x) = 
from x = 2 to x = 10; n = 4; use right endpoints
A. 20.83
B. 24.00
C. 15.75
D. 12.83
Answer: D
Mathematics
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Solve the logarithmic equation. Give an exact answer.log(x + 4) = log(5x - 5)
A. 
B. 
C. 
D. 
Mathematics
Write the expression as a single logarithm. Leave your answer in simplest form without negative or fractional exponents.loga 5x + 4(loga x - loga y)
A. 
B. loga 
C. loga(5x + x4 - y4)
D. loga 
Mathematics
Identify the open intervals where the function is changing as requested.Decreasing
A. (3, ?) B. (-?, 0) C. (0, 3) D. (-1, 0)
Mathematics
The pictograph shows the number of bicyclists who participated in the Labor Day weekend bicycle race for the years indicated. 
How many cyclists participated in 2005?
A. 85 cyclists B. 120 cyclists C. 90 cyclists D. 20 cyclists
Mathematics