Graph the system of inequalities.2x + y ? 4 x - 1 ? 0
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Find the derivative of y with respect to x, t, or ?, as appropriate.y = 8e?(sin ? - cos ?)
A. 0 B. 16e?(sin ? - cos ?) C. 8e?(sin ? - cos ?) + 8e? D. 16e? sin ?
Mathematics
Find the zeros of the function. Give exact answers.f(x) = x2 - 9x - 9
A. 
B. 
C. 
D. 
Mathematics
Find the amplitude or vertical shift as requested.Find the vertical shift of f(x) = 0.2 sin x - 0.4
A. -0.4 B. -0.2 C. 0.4 D. 0.2
Mathematics
Perform the indicated operation. Express the solution in scientific notation.(9 × 109)2
A. 81 × 1019 B. 8.1 × 1019 C. 81 × 1018 D. 8.1 × 1018
Mathematics