Consider the function y=x^2+5x-2. What would happen to the graph if (x + 5) was substituted in place of the x?
A. The graph would shift up 5 units.
B. The graph would shift down 5 units.
C. The graph would shift 5 units to the right.
D. The graph would shift 5 units to the left.
***Please explain! thanks ;)
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jimthompson5910 (jim_thompson5910):
use the rule for f(x) becoming f(x+5)
OpenStudy (anonymous):
so i get y=(x+5)^2+5(x+5)-2
?
jimthompson5910 (jim_thompson5910):
yes, but what is the rule
OpenStudy (anonymous):
idk :(
jimthompson5910 (jim_thompson5910):
look at the first attachment you posted in the other question
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OpenStudy (anonymous):
do u mean this one?
jimthompson5910 (jim_thompson5910):
yes
jimthompson5910 (jim_thompson5910):
look at rule #3
OpenStudy (anonymous):
if c>0, y=f(x+c) moves left c units
??that one?
OpenStudy (anonymous):
and c is -2 right?
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jimthompson5910 (jim_thompson5910):
no
jimthompson5910 (jim_thompson5910):
compare (x+c) with (x+5)
OpenStudy (anonymous):
so 5 is c?
jimthompson5910 (jim_thompson5910):
it is, which means?
OpenStudy (anonymous):
so my answer is this??
D. The graph would shift 5 units to the left.
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