mikewwe13:
Let f(x) represent a function. Which descriptions match the given transformations? Drag and drop the answers into the boxes. f(x−3.5) < ----- > _______________ 3.5f(x) < ----- > ________________ f(x) is translated 3.5 units left. f(x) is vertically compressed by a factor of 3.5 f(x) is vertically stretched by a factor of 3.5 f(x) is translated 3.5 units down f(x) is translated 3.5 units up f(x) is translated 3.5 units right
mikewwe13:
@Vocaloid
Vocaloid:
hint: f(x-h) = a translation to the right by h units f(x−3.5) = a translation to the ___ by ___ units fill in the blanks.
Vocaloid:
sorry made a typo
mikewwe13:
ok
mikewwe13:
what you meant ?
Vocaloid:
hint: f(x-h) = a translation to the right by h units f(x−3.5) = a translation to the ___ by ___ units fill in the blanks.
mikewwe13:
left and x
Vocaloid:
follow the pattern.
Vocaloid:
|dw:1508868459876:dw|
Vocaloid:
|dw:1508868476541:dw|
Vocaloid:
|dw:1508868494875:dw|
Vocaloid:
f(x-h) is a translation to the ~right~ because of the subtraction sign
Vocaloid:
f(x - 3.5) is also a translation to the right because it also has the subtraction sign
Vocaloid:
use the picture to determine how many units
mikewwe13:
right and 3.5
Vocaloid:
good, that's your answer for a)
Vocaloid:
for b) h*f(x) is a vertical stretch by a factor of h 3.5f(x) is a vertical stretch by a factor of ___ fill in the blank
mikewwe13:
3
Vocaloid:
|dw:1508868709449:dw|
mikewwe13:
3.5
Vocaloid:
good so vertical stretch by 3.5 is your ans. for b)
mikewwe13:
what is for A again ?
Vocaloid:
scroll up
mikewwe13:
https://static.k12.com/nextgen_media/assets/8076048-NG_AL1_SemA_04_UT_17.png A function f(x) is graphed on the coordinate plane. What is the function rule in slope-intercept form? Enter your answer in the box. f(x)= _________
Vocaloid:
start by picking two points then using the slope formula
Vocaloid:
(0,1) and (1,3) are good picks
Vocaloid:
slope = (y2-y1)/(x2-x1) let (0,1) = (x1,y1) and (1,3) = (x2,y2) calculate the slope.
mikewwe13:
-10
Vocaloid:
x1 = 0 x2 = 1 y1 = 1 y2 = 3 calculate: (y2-y1)/(x2-x1) please
mikewwe13:
2
mikewwe13:
y=2x+1
Vocaloid:
good, y = 2x + 1 is your equation
mikewwe13:
What are the domain and range of each relation? Drag the answer into the box to match each relation. https://static.k12.com/nextgen_media/assets/8075071-NG_AL1_SemA_04_UT_19.png <
> __________________ https://static.k12.com/nextgen_media/assets/8075072-NG_AL1_SemA_04_UT_20.png <
> _____________ Domain: {-3, -2, 0, 2} Range: {0, 1} Domain: {-2, 0, 2, 4} Range: {-3, - 1, 0} Domain: {-3, -1, 0, 3} Range: {-1, 0, 1, 2, 3}
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