Multiply using the rule for the product of the sum and difference of two terms. Assume any variable exponents represent whole numbers.(8an - 13bn)(8an + 13bn)
A. 64a2n + 208anbn - 169b2n
B. 64a2n - 169b2n
C. 8a2n - 13b2n
D. 64an - 169bn
Answer: B
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Solve.The speed of a ball dropped from a tower is given by the linear function f(t) = 32t where f(t) is in feet per second and t is the number of seconds since the ball was dropped. Find the speed of the ball after 3 seconds.
A. 32 feet per second B. 96 feet per second C. 3 feet per second D. 86 feet per second
Find the function value.f(x) = 
; f(3)
A. 
B. - 
C. 
D. 
Solve the problem.A parabolic train track must pass through the points (1, 0), (0, 7), and (0, -7), where the units are kilometers. Find an equation for the train tracks in the form 
A. x = 
(y - 0)2 - 1
B. x = - 
(y - 0)2 + 1
C. x = 
(y - 0)2 + 1
D. x = 
(y - 0)2 - 1
Find the slope of the line that passes through the given two points. If the slope is undefined, state this.(1, 4) and (13, 19)
A. 
B. 
C. 
D. 