Solve the problem.The number of acres in a landfill is given by the function
where t is measured in years. How many acres will the landfill have after 5 years? (Round to the nearest acre.)
A. 3505 acres
B. 2709 acres
C. 2531 acres
D. 6238 acres
Answer: A
Mathematics
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Find the center of mass of a thin plate of constant density covering the given region.The region between the x-axis and the curve y = 4csc2 x, ? x ?
A. =
,
= 6
B. =
,
= 4
C. =
,
=
D. =
,
=
Mathematics
Solve the inequality. Write the solution set in interval notation.(x + 7)(x - 6)(x + 2) > 0
A. (-7, -2) ? (6, ?) B. (-7, -6) ? (2, ?) C. (-?, 6) ? (2, 7) D. (-?, -7) ? (2, 6)
Mathematics
Find the point-slope form of the equation of the line satisfying the given conditions and use this to write the slope-intercept form of the equation.Passing through (5, -7), (-7, 5)
A. y = -x - 2 B. y = x + 2 C. y = -x + 2 D. y = x - 2
Mathematics
Simplify.
A.
B.
C.
D. 6x - 8
Mathematics