Find  and .

?

 and 

?



A.
B.
C.
D.


Answer: D

Mathematics

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Solve.Frank can type a report in 2 hours and James takes 7 hours. How long will it take the two of them typing together?

A.  hr
B.  hr
C.  hr
D. 7 hr

Mathematics

Solve the problem by integration.The slope of a curve is given by  Find the equation of the curve if it passes through .

A. y =  - tan-1  -  + ?
B. y = -  + tan-1  +  - ?
C. y =  + tan-1  -  - ?
D. y = -  + tan-1  +  - ?

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. x-intercept: (-2, 0) , y-intercept: (0, -1) ;

B. x-intercept: (-2, 0) , y-intercept: (0, 1) ;

C. No x-intercepts , y-intercept: (0, -1) ;

D. No x-intercepts , y-intercept: (0, -1) ; 

Mathematics

Identify the quadrant for the angle ? satisfying the following conditions.tan ? < 0 and sin ? < 0

A. Quadrant II B. Quadrant III C. Quadrant I D. Quadrant IV

Mathematics