Find the number of x-intercepts for the function. f(x) = x2 - 4x + 5
A. None
B. One
C. Two
Answer: A
Mathematics
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Solve the problem.The shape and density of a thin shell are indicated below. Find the moment of inertia about the z-axis.Shell: upper hemisphere of x2 + y2 + z2 = 25 cut by the plane z = 0Density: ? = 2
A. Iz = 50?
B. Iz = 
?
C. Iz = 125?
D. Iz = 500?
Mathematics
If f(x) = x + 5 and h(x) = 4x - 10, find a function g such that g?f = h.
What will be an ideal response?
Mathematics
Write the standard form of the equation of the circle whose radius is r and whose center is (h, k).r = 
; (h, k) = (0, 0)
A. x2 + y2 = 
B. x2 + y2 = 13
C. x2 + y2 = 169
D. x2 + y2 = 
Mathematics
Determine the number by which both sides of the equation must be multiplied or divided, as specified, to obtain just x on the left side.-x = 0.57; divide by
A. 0.57
B. 
C. -1
D. 
Mathematics