Find the domain of the rational function.r(x) = 
A. All real numbers except -7 and 7.
B. All real numbers except 0 and-7.
C. All real numbers except 0 and 7.
D. All real numbers except 0.
Answer: C
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Use integration by parts to establish a reduction formula for the integral.
A. 
= - 
+ 
B. 
= - 
+ 
C. 
= - axn e-ax + na 
D. 
= 
- 
Perform the indicated operation and express the answer in decimal notation.(3 x 102) x (6 x 105)
A. 180,000,000 B. 18,000,000,000 C. 1,800,000,000 D. 18,000,000
Solve the problem.A woman deposits $286 in the bank, and each month afterward deposits 3% more than the month before. Write the first four terms of the geometric sequence that gives the amount of her deposit each month.
A. $294.58; $303.42; $312.52; $321.90 B. $1.03; $1.06; $1.09; $1.13 C. $286; $858; $2574.00; $7722.00 D. $286; $294.58; $303.42; $312.52
Solve the problem.Determine whether the ordered triple (-3, -1, 4) is a solution of the system of equations.2x - 2y - 3z = -164x - 3y + 3z = 3 x + y - 5z = -24
A. No B. Yes