Solve the compound inequality and graph the solution set on a number line. Except for the empty set, express the solution set in interval notation.-4x + 1 ? 9 or 6x + 3 ? -21
A. [-2,?)
B. [-4, ?)
C. (-?, ?)
D. [-4, -2]
Answer: C
Mathematics
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Graph the function.f(x) = -2x(x + 2)(x + 1)
A. 
B. 
C. 
D. 
Mathematics
Find the slope of the line that passes through the given points.(9, 8), (-1, 8)
A. 7 B. 17 C. 0 D. 1
Mathematics
Use an Euler diagram to determine whether the argument is valid or invalid.All multiples of 4 are multiples of 2.
Therefore, eleven is not a multiple of 4.
A. valid B. invalid
Mathematics
Write the quotients with positive exponents.
A. 4k B. 15 C. 4k2 D. 15k2
Mathematics