Solve the problem.Estimate the minimum number of subintervals needed to approximate the integral
with an error of magnitude less than 10-4 using the Trapezoidal Rule.
A. 245
B. 151
C. 174
D. 300
Answer: D
Mathematics
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Solve for the indicated variable.S = 2?rh + 2?r2 for h
A. h = 
B. h = 
- 1
C. h = 2?(S - r)
D. h = S - r
Mathematics
Find the inverse of the function.f(x) =
A. f-1(x) = 
B. f-1(x) = x3 + 49
C. f-1(x) = x3 - 7
D. f-1(x) = x - 7
Mathematics
Solve the following system of equations by substitution. If both variables cancel out, state the solution as no solution or infinitely many solutions.x + 9y = 12-6x + 8y = 52
A. (-7, 3) B. no solution C. (-6, 2) D. (6, 3)
Mathematics
Perform the indicated operations. Write the resulting polynomial in standard form.(6x2 + 4x + 7) + (2x2 + 8x + 9) - (5x + 2)
A. 8x2 + 7x + 14 B. 6x2 + 7x + 18 C. 6x2 + 7x + 14 D. 8x2 + 7x + 18
Mathematics