The graph of a function is given. Determine whether the function is increasing, decreasing, or constant on the given interval.(- 
, 0)
A. constant
B. increasing
C. decreasing
Answer: B
Mathematics
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Evaluate the expression using the given values.x + 12y
x = 1, y = -1
A. 11 B. -11 C. 13 D. 0
Mathematics
Determine i) the domain of the function, ii) the range of the function, iii) the domain of the inverse, and iv) the range of the inverse.f(x) = 
A. f(x): D is all real numbers, R is all real numbers;
f-1(x): D is all real numbers, R is all real numbers
B. f(x): D = 
, R = 
;
f-1(x): D = 
, R = 
C. f(x): D = 
, R = 
;
f-1(x): D = 
, R = 
D. f(x): D = 
, R = 
;
f-1(x): D = 
, R = 
Mathematics
Find the distance between P and Q.P(u - w, r), Q(u + w, r)
A. 2
B. 2
C. 
D. 
Mathematics
Factor the polynomial using a common factor with a negative coefficient.-r3 + 4r2 - 21r
A. -r(r2 - 4r - 21) B. -r(r2 - 4r + 21) C. -r(r2 + 4r + 21) D. -r(r2 + 4r - 21)
Mathematics