Find the exact or approximate circumference of the circle, as indicated.Find the approximate circumference. Use  for ?.

A. 396 km
B. 99 km
C. 12,474 km
D. 198 km


Answer: A

Mathematics

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Find the slope of a line tangent to the given curve at the point P by finding the limit of the slopes of the secant lines PQ as Q approaches P.y = 6x2 - 3; P is (6, 213); let Q have x-values of 5.5, 5.9, 5.99, 5.999

A. Slopes: 66, 68.4, 68.94, 68.994 m = 69 B. Slopes: 9, 11.4, 11.94, 11.994 m = 12 C. Slopes: 69, 71.4, 71.94, 71.994 m = 72 D. Slopes: 33, 35.4, 35.94, 35.994 m = 36

Mathematics

Subtract.56,895

A. 34,663 B. 34,599 C. 34,659 D. 36,663

Mathematics

Find a linear function f? perpendicular to f passing through the given point. f(x) = 7x + 4; (2, 4)

A. f?(x) = - x - 
B. f?(x) = x - 
C. f?(x) = - x + 
D. f?(x) = - 7x - 30

Mathematics

Provide an appropriate response.The product, power, and quotient rules enable us to simplify expressions like loga. Explain why such expressions can always be simplified without using the quotient rule.

What will be an ideal response?

Mathematics