Find the domain of the function.f(x) = x2 + 4
A. (-?, -4) ? (-4, ?)
B. (-?, ?)
C. (-4, ?)
D. [-4, ?)
Answer: B
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Find the particular solution to the given differential equation that satisfies the given conditions.y'' - 6y'+ 25y = 0, y = 4 at x = 0 and y = 5e3?/8 at x = ?/8
A. y = e3x(4 sin 4x + 5 cos 4x) B. y = 4e3x + 5e4x C. y = e4x(5 sin 3x + 4 cos 3x) D. y = e3x(5 sin 4x + 4 cos 4x)
For the given angle of rotation and coordinates of a point in the xy-coordinate system, find the coordinates of the point in the x'y'-coordinate system.? = 60°, (-5
, 0)
A. 
B. 
C. 
D. 
Determine an estimate of the exact answer. Use estimation by rounding.Estimate the floor area of a classroom that measures 394 feet long and 222 feet wide by rounding each measurement to the nearest ten.
A. 85,800 square feet B. 1010 square feet C. 1.77 square feet D. 87,468 square feet
Write the whole number.Four thousand, nine hundred seventy-six
A. 4976 B. 400,976 C. 40,976 D. 4076