Use properties of logarithms to expand the logarithmic expression as much as possible. Where possible, evaluate logarithmic expressions without using a calculator.log5(5x)
A. 1 + log5x
B. x
C. 5
D. 1
Answer: A
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Find the foci of the ellipse.36x2 + 100y2 = 3600
A. (0, ±8) B. (±10, 0) C. (±36, 0) D. (±8, 0)
Four players (A, B, C, and D) agree to divide the 16 items shown below by lining them up in order and using the method of markers. The players' bids are as indicated.
Item 8
A. goes to A. B. goes to B. C. goes to C. D. goes to D. E. is left over.
Solve the problem. Use 3.14 for ? and round to the nearest tenth.The discus is thrown from a circular region 8 feet 2 inches in diameter. What is the area of the circle (in square inches)?
A. 7539.1 in2 B. 3769.6 in2 C. 307.7 in2 D. 30,156.6 in2
The vertex of a parabola occurs where the derivative of its equation is 0, so an equation associated with the equation of a parabola can be solved to find the x-coordinate of the vertex. Find the vertex of the parabola, given the equation of the parabola and its associated equation.Equation of parabola: f(x) = -(7 + 8x + 3x2); associated equation: 0 = -8 - 6x
A. 
B. 
C. 
D. 