Graph the equation.y2 = -9x
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Solve the problem.For a certain drug, the rate of reaction in appropriate units is given by R'(t) = 
+ 
, where t is measured in hours after the drug is administered. Find the total reaction to the drug from t = 4 to t = 9.
A. 3.22 B. 6.44 C. 6.26 D. 1.9
Mathematics
Find an equation of a parabola satisfying the given conditions.Find the equation of the parabola with vertex at the origin and axis along the y-axis if the parabola passes through the point 
A. y2 = 
x
B. x2 = 
y
C. y2 = 8x
D. x2 = 8y
Mathematics
Find the area of the shaded region. f(x) = x3 + x2 - 6x
A. 
B. 
C. 
D. 
Mathematics
Solve the polynomial inequality. Express the solution in interval notation.(x + 5)(x + 3)(x - 1) > 0
A. (1, ?) B. (-?, -3) C. (-?, -5) ? (-3, 1) D. (-5, -3) ? (1, ?)
Mathematics