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 - 32
B. y = 13x - 72
C. y = 2x + 5
D. y = 2x - 5
Answer: A
Mathematics
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A. 
, x = - 
B. 
, x = 
C. 
, y = - 
D. 
, x = - 
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Solve the triangle. Round the answer to the nearest tenth. 
A. a ? 3.7, B ? 80.5°, C ? 54.5° B. a ? 3.6, B ? 84.1°, C ? 50.9° C. a ? 3.6, B ? 82.1°, C ? 52.9° D. a ? 3.7, B ? 75.7°, C ? 59.3°
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Combine like terms whenever possible.6ab + 4b4 + 4ab - 2b4
A. 10ab + 2b4 B. 10ab + 6b4 C. 2ab + 2b4 D. 20ab + 4b4
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