Determine the continuity of the function at the given points.f(x) = 
at x = 4 and x = 2
A. The function f is continuous at both 
and 
B. The function f is continuous at 
but not at 
C. The function f is continuous at 
but not at 
D. The function f is continuous at neither 
nor 
Answer: B
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Make the required change in the given equation.? = 3 cos ? sin ? to Cartesian coordinates
A. x2 + y2 + z2 - 3x = 0
B. 
= 3x
C. x2 + y2 + z2 - 3z = 0
D. 
= 3y
Add.
A. 7794 B. 6815 C. 7605 D. 7815
Find all the roots of the function. Use preliminary analysis and graphing to determine good initial approximations. Round to six decimal places.f(x) = ln(4x) - 4x2 + 2x + 1
A. x ? 0.080253, 1.072435 B. x ? 1.580364, 2.572546 C. x ? 0.302364, 1.294546 D. x ? 0.080364, 1.072546
Identify in which period and place you find the digit 5.47,512
A. Period: ones, Place: tens B. Period: hundreds, Place: ones C. Period: hundreds, Place: hundreds D. Period: ones, Place: hundreds