Find an equation for the tangent to the curve at the given point.y = x - x2, (-2, -6)
A. y = -3x + 4
B. y = -3x - 4
C. y = 5x + 4
D. y = -5x + 4
Answer: C
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Solve the problem.The shape and density of a thin shell are indicated below. Find the moment of inertia about the z-axis.Shell: "nose" of the paraboloid x2 + y2 = 2z cut by the plane z = 1Density: ? = 
A. Iz = 
?
B. Iz = 
?
C. Iz = 16?
D. Iz = 2?
Solve the problem.A child has 42 quarters and 70 dimes. The child wishes to stack the coins so that each stack has the same number of coins, and each stack contains only one kind of coin. What is the largest number of coins that the child can place in each stack?
A. 42 B. 70 C. 210 D. 14
Use conversion factors to convert the units of measure.
pounds to ounces
A. 216 oz. B. 54 oz. C. 108 oz. D. 432 oz.
Solve the problem.How long must $4200 be in a bank at 8% compounded annually to become $10,576.31? (Round to the nearest year.)
A. 11 yr B. 13 yr C. 12 yr D. 14 yr