Solve the equation. Give an exact solution.4x + 8 = 7
A. 
B. 
C. 
D. {log 7 - log 4 - log 8}
Answer: A
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Find the value of the logarithmic function.log8 
A. 2 B. -2 C. 8 D. -8
Analyze the graph and write the equation of the function it represents in standard form f(x) = a(x - h)2 + k.
A. f(x) = -(x - 4)2 B. f(x) = -(x + 4)2 C. f(x) = (x + 4)2 D. f(x) = (x - 4)2
Expand using the binomial theorem.(x - 3y)4
A. x4 - 12x3y + 54x2y2 - 108xy3 + 81y4 B. x4 - 12x3y - 54x2y2 - 108xy3 + 81y4 C. x4 - 12x3y + 54x2y2 + 12xy3 + 81y4 D. x4 - 3x3y + 54x2y2 - 54xy3 + 81y4
Solve the problem.Tim and Judy mix two kinds of feed for pedigreed dogs. They wish to make 26 pounds of feed worth $0.63 per pound by mixing one kind worth $0.53 per pound with another worth $0.75 per pound. How many pounds of the cheaper kind should they use in the mix?
A. 12 pounds B. 17 pounds C. 16 pounds D. 14 pounds