Decide whether each function is one-to-one.(i) f(x) = x2 + 5(ii)  

A. (i) No; (ii) Yes
B. (i) Yes; (ii) No
C. (i) Yes; (ii) Yes
D. (i) No; (ii) No


Answer: A

Mathematics

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Use limit methods to determine which of the two given functions grows faster or state that they have comparable growth rates. 3x10; e0.6x

A. 3x10 B. Comparable rates C. e0.6x

Mathematics

Simplify.

A.
B.
C. 15v2w
D.

Mathematics

Complete the square to write the equation in the form  +  = 1 or  +  = 1.Determine the center, foci, and vertices of the ellipse.9x2 + y2 - 72x + 135 = 0

A. (x - 3)2 +  = 1
center: (3, 0); foci: (3, ), (3, -); vertices:(3, 4), (3, -4)
B.  + (y - 3)2 = 1
center: (3, 0); foci: (3, ), (3, -2); vertices:(3, 4), 
(3, -4)
C.  + (y - 4)2 = 1
center: (4, 0); foci: (4, 2), (4, -2); vertices:(4, 3), (4, -3)
D. (x - 4)2 +  = 1
center: (4, 0); foci: (4, 2), (4, -2); vertices:(4, 3), (4, -3)

Mathematics

Find the area under the curve of the function on the stated interval. Do so by dividing the interval into n equal subintervals and finding the area of the corresponding circumscribed polygon.f(x) = x2 + 2 from x = 1 to x = 4; n = 6

A. 30.875 B. 24.875 C. 26.875 D. 28.875

Mathematics