Calculate the instantaneous velocity for the given value of t of an object moving with rectilinear motion according to the given function relating s (in ft) and t (in s)s = -4t2 - t; t = -4
A. -28 ft/s
B. 28 ft/s
C. 31 ft/s
D. 32 ft/s
Answer: C
Mathematics
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+ 6
A. 
B. 
C. 
D. 
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Determine the slope and y-intercept of the function.f(x) = 8x + 1
A. m = 
; b = - 1
B. m = 1; b = 8
C. m = 8; b = 1
D. m = - 8; b = - 1
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Use a distributive property to write an equivalent expression.3(r + k)
A. 3r - 3k B. 3r + 3k C. 3r + k D. r(3 + k)
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