Approximate the area under the curve and above the x-axis using n rectangles. Use left endpoints.f(x) = 
from x = -2 to x = 9; n = 4
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Use <, >, or = to make a true sentence.
A. > B. < C. =
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Find the formula for df-1/dx.f(x) = (8 - x)3
A. x2/3
B. -3(8 - x)2
C. - 
D. 8 - x1/3
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Determine whether or not the function is one-to-one.
A. No B. Yes
Mathematics
Construct a frequency polygon.
A. Frequency
| ? | Hours of bulb life |
B. Frequency
| ? | Hours of bulb life |
Mathematics