Provide an appropriate response.True or false? The statement cos-1(cos x) = x for all real numbers in the interval -1 ? x ? 1.
A. True
B. False
Answer: A
Mathematics
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Determine the indefinite integral. Check your work by differentiation.
dx
A. 15x4 - 16x2 + 2x + C
B. 15x2 - 8 + C
C. 
x4 - 4x2 + 2x + C
D. 5x4 - 8x2 + 2x + C
Mathematics
Factor and simplify.4sec2 ? - 8sec ? + 4
A. 4tan2 ? B. (4sec ? - 1)(sec ? - 4) C. 4(sec ? - 1)2 D. 4tan ? (sec ? - 4)
Mathematics
Find the center and the radius of the sphere that has the given equation.
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Mathematics
Find the area of the circle. Use 3.14 or 
for ? as indicated.Use 3.14 for ?.
A. 47.7594 cm2 B. 11.93985 cm2 C. 12.246 cm2 D. 24.492 cm2
Mathematics