Simplify. Express your answer in standard form.(x2 - 4x + 2) + (x3 - 5x + 8) + (4x3 + 6x + 7)
A. 5x3 - 4x2 + 2x + 17
B. 5x3 + x2 - 3x + 9
C. 6x3 - 3x + 17
D. 5x3 + x2 - 3x + 17
Answer: D
Mathematics
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Determine whether the vectors 
and 
are equivalent.A(4, -5), B(6, 1), C(0, 0), and D(2, -4)
A. Equivalent B. Not equivalent
Mathematics
Find the slope-intercept equation for the tangent line to the graph of f at the given point.f(x) = 
at 
A. y = - 
x + 
B. y = 
x + 
C. y = 13x - 16
D. y = -39x - 80
Mathematics
Answer the question about the given function.Given the function f(x) = 
, list the x-intercepts, if any, of the graph of f.
A. (7, 0), (-7, 0)
B. (-
, 0)
C. (9, 0)
D. none
Mathematics
Use the given information to find the exact value.cos A = 
, 0 < A < 
; sin B = - 
, 
< B < 2?
Find sin (A - B).
A. 
B. 
C. 
D. 
Mathematics