The graph of a logarithmic function is shown. Select the function which matches the graph.
A. y = -log5x
B. y = log5(-x)
C. y = log5x
D. y = 1 - log5x
Answer: D
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Factor completely. If the polynomial cannot be factored, write "prime."8x6 - 10x3 - 12x3 + 15
A. (2x3 - 3)(4x3 - 5) B. (2x6 - 3)(4x - 5) C. (8x3 + 3)(x3 + 5) D. (2x3 + 3)(4x3 + 5)
Find the appropriate property for the statement.9 + (-9) = 0
A. Associative property B. Commutative property C. Inverse property D. Identity property
Solve the problem.Police use the formula s = 
to estimate the speed s of a car in miles per hour, where d is the distance in feet that the car skidded and f is the coefficient of friction. If the coefficient of friction on a certain gravel road is 0.27 and a car skidded 340 feet, find the speed of the car, to the nearest mile per hour.
A. 287 mph B. 52 mph C. 2754 mph D. 101 mph
Find the axis of symmetry of the given function.f(x) = 2x2 - 16x + 37
A. x = -5 B. x = 5 C. x = -4 D. x = 4