Consider a family of functions 
. Graph all the given members of the family in the viewing rectangle indicated.
?
(a)
by 
?
(b)
by 
?
How does the value of c affect the graph?
?
A. The graphs in part (a) are obtained by shifting the graph of 
to the right c units, 
. The graphs in part (b) are obtained by shifting the graph of 
to the left 
units, 
.
B. The graphs in part (a) are obtained by shifting the graph of 
to the left c units, 
. The graphs in part (b) are obtained by shifting the graph of 
to the right units, 
.
C. The graphs in part (a) are obtained by shifting the graph of 
to the left and downwards c units, 
. The graphs in part (b) are obtained by shifting the graph of 
to the right and up 
units, 
.
D. The graphs in part (a) are obtained by shifting the graph of 
up c units, 
. The graphs in part (b) are obtained by shifting downwards the graph of 
units, 
.
E. The graphs in part (a) are obtained by shifting the graph of 
downwards c units, 
. The graphs in part (b) are obtained by shifting the graph of 
up units, 
.
Answer: A
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Subtract.(-2r4 + 9r3 - 3r) - (8r4 - 9r3 + 6r2 - 2r)
A. -10r4 - 6r2 - r B. -10r4 + 18r3 - 6r2 - r C. -10r4 - 6r2 - 5r D. -10r4 + 18r3 + 6r2 - 5r
Solve the equation by first combining like terms.-32x + 44x = -108
A. 8 B. 10 C. 9 D. -9
Solve the system by the addition method. If there is no solution or an infinite number of solutions, so state. Use set notation to express the solution set.
A. no solution; ?
B. {(-3, -6)}
C. infinitely many solutions; {
6x + 3y = -1} or {
-30x - 15y = 5}
D. {(-6, -3)}
Graph the function.f(x) = 
A. 
B. 
C. 
D. 