Answer the question about the given function.Given the function f(x) = -4x2 - 8x + 5, what is the domain of f?
A. all real numbers
B. {x|x ?-1}
C. {x|x ? -1}
D. {x|x ? 1}
Answer: A
Mathematics
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Use the slope-intercept form to find the equation of the line passing through the given points.(10, 1), (-10, -11)
A. y = 
x - 5
B. y = 
x + 5
C. y = 
x - 5
D. y = 
x + 5
Mathematics
Find the derivative at each critical point and determine the local extreme values.y = 
A. 
B. 
C. 
D. 
Mathematics
Find the actual difference.5.606 - (-0.13)
A. 0.729 B. 5.736 C. 5.476 D. 5.836
Mathematics
Use a graphing calculator to solve the system of equations. Round your solution to one decimal place.
A. (7.9, 2.4, 9.0, 12.3) B. (3.6, 1.1, 4.1, 5.6) C. (4.3, 1.3, 4.9, 6.7) D. (3.2, 1.0, 3.7, 5.0)
Mathematics