Find the range of the quadratic function.f(x) = 11(x - 2)2 + 9
A. [2, ?)
B. (-?, 9]
C. [9, ?)
D. [-9, ?)
Answer: C
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Suppose that y varies directly with x. Find an equation that relates x and y.y = 13 when x = 4
A. y = 0.31x B. y = 3.25x C. x = 3.25y D. y = 13x
Find the flux of the curl of field F through the shell S.F = (z - y)i + (x - z)j + (z - x)k; S: r(r,? ) = r cos ?i + r sin ?j + (16 - r2)k, 0 ? r ? 4 and 
A. 32? B. -32? C. -64? D. 64?
Solve.The volume of wood in a tree varies jointly as the height of the tree and the square of the distance around the tree trunk. If the volume of wood is src="https://sciemce.com/media/4/ppg__2720702191531__f1q57g5.jpg" alt="" style="vertical-align: -4.0px;" /> around the trunk?
A. 78 ft3
B. 87 ft3
C. 82 ft3
D. 70 ft3
when the height is 
and the distance around the trunk is 
what is the volume of wood obtained from a tree that is 
tall having a measurement of
Simplify.240 ÷ 5 - 4
A. 231 B. 239 C. 240 D. 44