Find the extreme values of the function and where they occur.y = 
A. The minimum is 0 at x = 1.
B. The maximum is 7 at x = -2.
C. The maximum is 7 at x = 2.
D. The minimum is 7 at x = 0.
Answer: D
Mathematics
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Collect like terms.- 
x + 
y - 
x + 
y
A. - 
x + 
y
B. 
x + 
y
C. - 
x + 
y
D. - 
x + 
y
Mathematics
Solve the system of equations using substitution.
A. x = 
, y = 
; x = - 
, y = 0
B. x = - 
, y = 2; x = 1, y = 5
C. x = 
, y = 6; x = - 
, y = -
D. x = 
, y = 
; x = 1, y = 5
Mathematics
Use the graph to find the average rate of change.
A. - 
B. 
C. -4
D. 4
Mathematics
Find the trigonometric form of 
.
?
A. 
B. ?
C. ?
D. ?
E. ?
Mathematics