Decide whether or not the set of ordered pairs defines a function.{(-3, 8), (-2, -3), (1, 3), (1, -5)}
A. Yes
B. No
Answer: B
Mathematics
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Find a formula for the nth partial sum of the series and use it to find the series' sum if the series converges.7 + 21 + 63 + ... + 7 ? 3n-1 + ...
A. 
; series diverges
B. 
; 
C. 
; 
D. 
; series diverges
Mathematics
Using synthetic division, determine whether the numbers are zeros of the polynomial.5, 0; f(x) = 4x4 - 15x3 - 22x2 - 19x + 20
A. Yes; yes B. No; no C. No; yes D. Yes; no
Mathematics
Find an equation y = mx + b that models the quantity y after x units of time.A quantity is initially 6 and remains constant.
A. y = -6 B. y = 6 C. y = 6x D. y = -6x
Mathematics
Find the zeros of f(x), given that one zero is k.f(x) = 16x4 - 8x3 + 338x2 - 128x + 1312
k = 4i
A. ±4i, - 
± 
i
B. ±4i, 
± 
i
C. ±4i, - 
± 
i
D. ±4i, 
± 
i
Mathematics