Approximate the area under the curve and above the x-axis using n rectangles. Use right endpoints.f(x) = 3x2 - 2 from x = 1 to x = 5; n = 4
A. 154
B. 140
C. 144
D. 150
Answer: A
Mathematics
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Answer the question.What are the domain and range for y = 2x?
A. Domain is all x ? 0 and range is all y ? 0. B. None of these is correct. C. Domain is all x > 0 and range is all y > 0. D. Domain is all x ? 0 and range is all y > 0.
Mathematics
Find the limit.
A. 1
B. ?
C. 0
D. 
Mathematics
Translate the following into an equation where x represents the unknown number. Then solve the equation for x.The quotient of a number and 3 is - 
.
A. 3x = - 
, x = - 
B. 
= - 
, x = 
C. 
= - 
, x = 
D. 
= - 
, x = - 
Mathematics
Simplify by rationalizing the denominator.
A. 
B. 
C. 
D. 
Mathematics