Find the domain of the function.f(x) = ln(7 - x)
A. (7, ?)
B. (-7, ?)
C. (-?, 7)
D. (-?, -7)
Answer: C
Mathematics
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Write a recursion formula for the sequence.-7, 5, 17, 29, . . .
A. an = an-1 + 12, a1 = -7 B. an = an-1 + 13, a1 = -7 C. an = an-1 - 12, a1 = -7 D. an = an-1 - 13, a1 = -7
Mathematics
Write the standard form of the equation of the circle with the given center and radius.(3, 5); 
A. (x + 5)2 + (y + 3)2 = 361 B. (x - 3)2 + (y - 5)2 = 19 C. (x + 3)2 + (y + 5)2 = 19 D. (x - 5)2 + (y - 3)2 = 361
Mathematics
Collect like terms.30x + 4 - 22x - 3
A. -8x + 1 B. 52x + 7 C. 8x + 4 - 3 D. 8x + 1
Mathematics
Find the greatest common factor of the list of items.15m5, 135m9
A. 15m4 B. 2025m4 C. 135m5 D. 15m5
Mathematics