Write an equivalent expression. Use a commutative law.2 + b
A. b + 2
B. 2(1 + b)
C. 2b
D. b2
Answer: A
Mathematics
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Insert three geometric means ( two positive and one negative ) between - 84 and - 6,804.
A. 250, - 754, 754 B. 252, - 755, 754 C. 252, - 756, 2,268 D. 253, 755, - 2,267
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Find the point(s) at which the given function equals its average value on the given interval.f(x) = ax + b; [1, 13]
A. 8
B. 5
C. 7
D. 
Mathematics
Find the midpoint of the line segment joining the two points.(0, -9) and (9, 0)
A. 
B. 
C. (9, -9)
D. (-9, -9)
Mathematics
Solve the problem.Find an upper bound for the error in estimating 
using the Trapezoidal Rule with n = 8 steps. Give your answer as a decimal rounded to four decimal places.
A. 0.6227 B. 0.3805 C. 0.2076 D. 0.3634
Mathematics