Identify the place value of the underlined digit.72.
7
A. Tenths place
B. Tens place
C. Hundredths place
D. Thousandths place
Answer: A
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Use logarithmic differentiation to find the derivative of y.y = 
A. 
+ 
- 
- 
B. 
(ln(3x + 1) + 2ln(x + 4) - ln(x4 + 5) - ln(x + 8))
C. 
D. 5
Solve problems using a calculator.An electric meter installed by a construction company at a work site read 986 kilowatt hours on July 1 and 10,649 kilowatt hours on August 1. How many kilowatt hours of electricity were used at the site during the month of July?
A. 9662 kilowatt hours B. 9665 kilowatt hours C. 9663 kilowatt hours D. 9664 kilowatt hours
Solve the equation.
= 8
A. {64} B. {68} C. {60} D. {144}
Find the vertices and foci of the given ellipse.4y2 = 52 - 13x2
A. Vertices: (
, 0) and (-
, 0);
Foci: (3, 0) and (-3, 0)
B. Vertices: (
, 0) and (-
, 0);
Foci: (4, 0) and (-4, 0)
C. Vertices: (0, 4) and (0, -4);
Foci: (0, 3) and (0, -3)
D. Vertices: (0, 
) and (0, -
);
Foci: (0, 3) and (0, -3)