Give all possible rational zeros for the polynomial.f(x) = 2x3 - 5x2 + 7x - 23
A. ±1, ±2, ±23, ± 
B. ±1, ± 
, ±2, ± 
C. ±1, ±2, ±23
D. ±1, ±23, ± 
, ± 
Answer: D
Mathematics
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Find the exact value using a double-angle identity.sin(300°)
A. - 
B. 
C. 0
D. - 
Mathematics
Give the values of Xmin, Xmax, Ymin, and Ymax for the screen, given the values for Xscl and Yscl.
Xscl = 4, Yscl = 2
A. [-5, 5] by [-5, 5] B. [-10, 10] by [-10, 10] C. [-20, 20] by [-10, 10] D. [-10, 10] by [-20, 20]
Mathematics
Find the unit vector having the same direction as v.v = -12i + 5j
A. u = - 
i + 
j
B. u = - 
i + 
j
C. u = -156i + 65j
D. u = - 
i + 
j
Mathematics
For the given functions f and g, find the requested function and state its domain.f(x) = 
; g(x) = 2x - 3Find 
.
A. 
(x) = 
; 
? 
B. 
(x) = 
; 
? 
C. 
(x) = 
; [0, ?)
D. 
(x) = 
; (-?, 0) ? (0, ?)
Mathematics