Which function represents the graph of f(x) = −4|x| after it is translated 3 units down? A. g(x)=−4|x| + 3 B. g(x)=−4|x| − 3 C. g(x)=−4|x−3| D. g(x)=−4|x+3|
hint: to translate f(x) = |x| down h units, simply subtract h from the function to get f(x) = |x| - h make sure the subtraction sign is outside the absolute value sign
now apply this logic to your own problem
the answer is C
again, make sure the subtraction sign is OUTSIDE the absolute value symbols
i just worked out the problem and i come to the conclusion that c isn't and so one of the answers are
so what do you think the answer might be?
correct me if i'm wrong, but i think the answer is b ?
yup b is correct, good work
The graph of g(x) is obtained by reflecting the graph of f(x)=2|x| over the x-axis. Which equation describes g(x)? A. g(x) = |x+2| B. g(x)=− |2x| C. g(x) = |2x| D. g(x)= − |x+2|
to reflect over the x-axis, multiply the entire function by -1
so in this case the negative sign would be outside the absolute value sign
correct me if i'm wrong, the answer is D ?
leave the 2|x| alone and just write a negative sign in front of it
B because i solve it multiplying it
hm. looking at these answer choices technically none are right, but B is the best answer
What type of transformation takes the graph of f(x)= |x| to the graph of g(x) = |4+x|? A. vertical translation of 4 units down B. horizontal translation of 4 units left C. vertical translation of 4 units up D. horizontal translation of 4 units right
for horizontal transformations, f(x+h) is a shift to the left by h units
try applying this logic to your problem
the answer is D ?
f(x+h) is a shift to the <<left>> by h units
so |x+4| is a shift to the ____ by 4 units fill in the blank
left
good so which answer matches?
B.
good job
thanks a lot
a whole lot
if i ever need you, i come to you right ?
sure
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