Solve.x - x - 5 = 1

A. x = 8
B. x = -12
C. x = -8
D. x = 12


Answer: D

Mathematics

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Find all the second order partial derivatives of the given function.f(x, y) = x2 + y - ex+y

A.  = 2 - y2ex+y = -x2ex+y;   =  = - y2ex+y
B.  = 1 - ex+y = - ex+y;   =  = -ex+y
C.  = 2 + ex+y = ex+y;   =  = ex+y
D.  = 2 - ex+y = - ex+y;   =  = -ex+y

Mathematics

Plot the point.(-3, -2) 

A.

B.

C.

D.

Mathematics

Graph the function, showing all asymptotes (those that do not correspond to an axis) as dashed lines. List the x- and y-intercepts.f(x) = 

A. No x-intercepts, y-intercept:  ;

B. No x-intercepts, y-intercept:  ;

C. No x-intercepts, y-intercept:  ;

D. No x-intercepts, y-intercept:  ;

Mathematics

Solve the problem.An arch for a bridge over a highway is in the form of a semiellipse. The top of the arch is 35 feet above ground (the major axis). What should the span of the bridge be (the length of its minor axis) if the height 30 feet from the center is to be 13 feet above ground?

A. 50.48 ft B. 32.31 ft C. 161.54 ft D. 64.62 ft

Mathematics