Write a system of inequalities whose solution set is the region shown.
A. y ? 2x + 4
y ? 
x + 2
B. y ? -2x + 4
y ? - 
x + 2
C. y ? -2x + 4
y ? - 
x + 2
D. y ? 2x + 4
y ? 
x + 2
Answer: C
Mathematics
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Approximate. Round to the nearest thousandth.
A. -1.320 B. -1.476 C. -1.310 D. -1.225
Mathematics
Use the distributive property to write the expression without parentheses. Then simplify, if necessary.3(x + 9y + 3)
A. 3x - 27y - 9 B. 3x + 27y + 3 C. 3x + 27y + 9 D. 3x + 9y + 3
Mathematics
Find the function value.Let f(x) = 5x2 - 8x + 6. Find f(-x).
A. -5x2 + 8x - 6 B. 4x2 + 9x + 5 C. -5x2 + 9x + 6 D. 5x2 + 8x + 6
Mathematics
Simplify and write with only positive exponents.
A. 
B. 6xy4
C. 
D. 
Mathematics