Solve the problem.The temperature at a mountain resort was a frigid 13 degrees below zero in the morning, but by noon it had risen 36 degrees. What was the temperature at noon?
A. -49°
B. 49°
C. -23°
D. 23°
Answer: D
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Find the absolute extreme values of the function on the interval.f(x) = tan x, - 
? x ? 
A. absolute maximum is -1 at x = 
; absolute minimum is 
at x = - 
B. absolute maximum is 
at x = 
; absolute minimum is -1 at x = - 
C. absolute maximum is 
at x = 
and - 
; no minimum value
D. absolute maximum is 
at x = 
; absolute minimum is -1 at x = - 
Write the improper fraction as a mixed or whole number.
A. 
B. 12
C. 13
D. 11
The forces acting on an object weighing W units on an inclined plane positioned at an angle of ? with the horizontal (see figure) are modeled by
?
?
where ? is the coefficient of friction. Solve the equation for ? and simplify the result.
?
?
A. 
B. 
C. 
D. ?
E. 
Perform the indicated operations.
(a) 1
(b) 3/ 2
(c) - 3 / 2
(d) 2
(e) 3/ 4