Solve the problem.The distance, s, in feet, traveled by a body falling freely from rest in t seconds is approximated by the function 
An experimenter on a ladder releases a marble from rest. The marble takes 4 seconds to fall to the ground. How high was the marble when it was released?
A. 16 feet
B. 256 feet
C. 64 feet
D. 4096 feet
Answer: B
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Find the slope of the line containing the given points.(3, 7), (9, 7)
A. -6 B. 6 C. 0 D. not defined
Find the inverse of the one-to-one function.f(x) = -4x - 6
A. f-1(x) = 
B. f-1(x) = 
C. f-1(x) = 
D. f-1(x) = 
Find the gradient vector field of the scalar function f. (That is, find the conservative vector field F for the potential function f of F.)
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Solve the problem.The cost of having a package delivered has a base fee of $10.80. Every pound over 5 lbs cost an additional $0.43 per pound. Write an equation that expresses the cost C in terms of w, the total weight in pounds of a package weighing over 5 lbs.
A. C = 0.43(w - 5) + 10.8 B. C = 10.8w + 0.43 C. C = 0.43w + 10.8 D. C = 0.43w + 12.95