Find the formula and limit as requested.For the function f(x) = 4x2+ 4, find a formula for the upper sum obtained by dividing the interval [0, 3] into n equal subintervals. Then take the limit as n?? to calculate the area under the curve over [0, 3].
A. 12 + 
; Area = 48
B. 12 + 
; Area = 48
C. 12 + 
; Area = 12
D. 12 + 
; Area = 36
Answer: A
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Write the number in expanded form.1,854
A. 1(1) + 8(10) + 5(100) + 4(1000) B. 1(10,000) + 8(1000) + 5(100) + 4(10) C. 1(10) + 8(100) + 5(1000) + 4(10,000) D. 1(1000) + 8(100) + 5(10) + 4(1)
The faces of a right hexagonal prism are ___________ .
Fill in the blank(s) with the appropriate word(s).
Solve the problem.
Neelima Zafar is married, has a gross weekly salary of $558.44 (all of which is taxable), and the number of withholding allowances she claims is 2. Use the tax tables to find the federal tax withholding to be deducted from her weekly salary.
A. $24 B. $22 C. $21 D. $23
Rewrite the trigonometric expression as an algebraic expression involving the variable u. Assume that 
and that the value of the "inner" inverse trigonometric expression represents an angle ? such that 
cot (cos-1 u)
A. 
B. 
C. 
D. 