Find the number of x-intercepts for the function. f(x) = 4x2 - 4x + 1
A. Two
B. None
C. One
Answer: C
Mathematics
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The position vector of a particle is r(t). Find the requested vector.The velocity at t = 0 for r(t) = cos(4t)i + 3ln(t - 7)j - 
k
A. v(0) = 
j
B. v(0) = -4i - 
j
C. v(0) = 4i - 
j
D. v(0) = -
j
Mathematics
Solve.The equation D = 
n(n - 3) gives the number of diagonals D for a polygon with n sides.Find the number of sides n for a polygon that has 20 diagonals.
A. 3 sides B. 9 sides C. 5 sides D. 8 sides
Mathematics
Divide and simplify.
÷ 
A. 
B. 
C. 
D. 
Mathematics
Determine algebraically whether the function is even, odd, or neither.
A. even B. odd C. neither
Mathematics