Simplify the expression. Assume that all variables are positive.
A. 5y6
B. 5y3
C. 25y3
D. 5xy3
Answer: B
Mathematics
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Provide an appropriate response.Give the number of solutions for ?ax + b? = k if k < 0.
A. 2 B. an infinite number C. 0 D. 1
Mathematics
Write the equation as f(x) = a(x - h)2 + k. Identify the vertex.f(x) = x2 + 5x + 2
A. f(x) = 
2 - 
; 
B. f(x) = (x + 5)2 - 23; (-5, 23)
C. f(x) = 
2 - 
; 
D. f(x) = (x + 5)2 - 23; (5, 23)
Mathematics
Find absolute maximum and minimum values of the function, if they exist, over the indicated interval. Where no interval is specified, use the real line. List your answers in terms of ordered pairs.
Mathematics
Find all values of x (if any) where the tangent line to the graph of the function is horizontal.y = 2 + 8x - x2
A. -8 B. 4 C. 8 D. -4
Mathematics