Simplify the expression without a calculator.9
0
A. 0
B. 
C. 9
D. 1
Answer: C
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Find the derivative of the function.f(x) = log7 (x9 + 1)
A. 
B. 
C. 
+ 9x8
D. 
Perform the indicated operations and simplify the result. Leave the numerator and denominator in your answer in factored form.
A. 
, x ? -a, x ? a
B. 
, x ? -a, x ? a
C. 
, x ? -a, x ? a
D. 
, x ? -a, x ? a
Find the pivot in the tableau. 
A. 2 in row 1, column 3 B. 4 in row 1, column 5 C. 2 in row 2, column 5 D. 4 in row 2, column 3
Find the center, foci, and vertices of the ellipse.36(x + 3)2 + 16(y - 1)2 = 576
A. center at (-2, 1)
foci at (-2, 1 - 2
), (-2, 1 + 2
)
vertices at (-2, 7), (-2, -5)
B. center at (3, 1)
foci at (3, 1 - 2
), (3, 1 + 2
)
vertices at (3, 7), (3, -5)
C. center at (1, -3)
foci at (1, -3 - 2
), (1, -3 + 2
)
vertices at (1, 7), (1, -5)
D. center at (-3, 1)
foci at (-3, 1 - 2
), (-3, 1 + 2
)
vertices at (-3, 7), (-3, -5)