Find the equation of the tangent line to the graph of f at the given point.f(x) = 5x2 + x at (-4, 76)
A. y = -39x - 232
B. y = 10x
C. y = 10x + 1
D. y = -39x - 80
Answer: D
Mathematics
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A. 
B. 
C. 
D. 
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Solve the exponential equation. Round to three decimal places when necessary.6x+6 = 7x
A. 68.311 B. -69.741 C. 69.741 D. 71.171
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Solve the polynomial inequality and graph the solution set on a number line. Express the solution set in interval notation.16x3 + 96x2 - 25x - 150 > 0
A. (-?, -6) ? 
B. 
? 
C. (-?, -6] ? 
D. 
Mathematics
Find the area of the polygon.
A. 81 km2 B. 27 km2 C. 324 km2 D. 162 km2
Mathematics