Solve the problem.The gravitational attraction A between two masses varies inversely as the square of the distance between them. If the force of attraction is 4 lb when the masses are 3 ft apart, what is the attraction when the masses are 6 ft apart?
A. 4 lb
B. 2 lb
C. 1 lb
D. 3 lb
Answer: C
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True or false?In Riemannian geometry, it is not possible for two triangles to have identical angles and different perimeters.
A. True B. False
Translate the following into algebraic expressions.The pitch "P" of a gear is equal to the number of teeth "N "on the gear divided by the pitch diameter "D".
A. D = NP
B. P = ND
C. D = 
D. P = 
Write the equation of the quadratic function whose graph is a parabola containing the given points.(0, 1), (2, 6), (-3, 8.5)
A. y = x2 + x + 1.5 B. y = x2 + 5x - 1 C. y = x2 - 0.5x + 1 D. y = x2 + 0.5x + 1
Use the integral test to determine whether the infinite series
is convergent or divergent?Enter just the word "convergent" or "divergent".
Fill in the blank(s) with the appropriate word(s).