Rewrite the expression as the sum and/or difference of logarithms, without using exponents. Simplify if possible.log2
A. 8 log2x + 7 log2y + log25
B. (8 log2x)(7 log2y) - log25
C. 8 log2x - 7 log2y - log25
D. 8 log2x + 7 log2y - log25
Answer: D
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Solve the problem.The slope to the tangent line of a curve is given by 
If the point (0, 3) is on the curve, find an equation of the curve.
A. f(x) = 
x3 - 12x2 + 9x + 1
B. f(x) = 
x3 - 
x2 + 9x + 1
C. f(x) = 
x3 - 
x2 + 9x + 3
D. f(x) = 
x3 - 12x2 + 9x + 3
Use the given information to find the quadrant in which ? lies.cot ? > 0 and sin ? < 0
A. Quadrant I B. Quadrant II C. Quadrant IV D. Quadrant III
Solve the problem.Consider the following simplified digital photograph that has a 3 × 3 grid with four gray levels numbered from 0 to 3. It shows a letter Y in dark gray on a white background.
Let A be the 3 × 3 matrix that represents this figure digitally. Find the matrix B such that A + B will represent the entire picture becoming one gray level darker.
A. 
B. 
C. 
D. 
Simplify the expression.-5b + 8b
A. 3b2 B. 3b C. -13b D. -3b