Find the equation of the tangent line to the graph of f at the given point.f(x) = x2 + 5x at (4, 20)
A. y = 13x - 72
B. y = 2x - 5
C. y = 2x + 5
D. y = 13x - 32
Answer: D
Mathematics
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Graph the linear inequality.y ? 6 
A. 
B. 
C. 
D. 
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Round the money amount to the nearest cent or dollar as indicated.$656.50, nearest dollar
A. $656 B. $650 C. $656.5 D. $657
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Convert the equation to the standard form for a hyperbola by completing the square on x and y.9y2 - 4x2 + 18y + 16x - 43 = 0
A. 
- 
= 1
B. 
- 
= 1
C. 
- 
= 1
D. 
- 
= 1
Mathematics
Simplify by first converting to rational exponents. Assume that all variables represent positive real numbers.
A. 
B. 
C. y
D. 
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