Find the sum.
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Use a graphing calculator to graph the given function. Be sure to set the graphic window parameters to the given values.y = 0.7
xwindow dimensions [xmin, xmax, ymin, ymax] = [-5, 5, -1, 9]x-scale (xscl) = 1; y-scale (yscl) = 1
A. 
B. 
C. 
D. 
Mathematics
Rewrite the trigonometric expression as an algebraic expression involving the variable u. Assume that 
and that the value of the "inner" inverse trigonometric expression represents an angle ? such that 
cos (tan-1 u)
A. u
B. 
C. 
D. 
Mathematics
Determine the number by which both sides of the equation must be multiplied or divided, as specified, to obtain just x on the left side.5x = -6; divide by
A. -5
B. -6
C. 
D. 5
Mathematics
Add or subtract as indicated. Write the answer in simplest form.
- 
A. 
B. 
C. 
D. 
Mathematics