Solve the given equation. Give an exact solution.log (x + 3) = log (2x - 2)
A. ?
B. 
C. 
D. 
Answer: C
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Find a formula for the nth partial sum of the series and use it to find the series' sum if the series converges.
+ 
+ 
+ ... + 
+ ...
A. 
; 
B. 
; 
C. 
; 
D. 
; 
Use the laws of exponents to simplify each expression using positive exponents only. Assume all variables represent nonzero real numbers.x2 ? x7
A. x14 B. 14x C. x9 D. 9x
Solve the problem.Suppose a cold front is passing through the United States at noon with a shape described by the function 
where each unit represents 100 miles. 
Missouri is located at 
and the positive y-axis points north.N
/> 
SSuppose the front moves south 340 miles and west 120 miles and maintains its shape. Give the equation for the new front and plot the new position of the front.
A. y = - 
(x + 1.2)2 - 3.4
| N |
| S |
B. y =
(x - 1.2)2 + 3.4| N |
| S |
C. y =
(x - 1.2)2 - 3.4| N |
| S |
D. y =
(x + 1.2)2 - 3.4| N |
| S |
Find all numbers not in the domain of the function.f(x) = 
A. 4, -7 B. 0 C. -4, 7 D. 8, -8