Find the phase shift of the function.y = 4 cos 
A. 4 units up
B. 
units to the left
C. 4 units down
D. 
units to the right
Answer: B
Mathematics
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Replace the polar equation with an equivalent Cartesian equation.r2 = 46r cos ?
A. (x - 23)2 + y2 = 529 B. (x - 23)2 + y2 = 0 C. x = 46 D. x2 + (y - 23)2 = 529
Mathematics
Use properties to perform the calculations. Express answer in simplest form.
? 
A. 
B. 
C. - 5
D. 
Mathematics
Find all of the real and imaginary zeros for the polynomial function.f(x) = x4 + 15x3 + 49x2 - 15x - 50
A. -1, 1, 5, 10 B. -10, -5, -1, 1 C. -5, -1, 1, 10 D. -10, -5, 1, 1
Mathematics
Find the common ratio.
, 
, 
, 
, . . .
A. 3
B. 
C. 
D. 
Mathematics