please explain : Flour cost $.12 per ounce. If a bag of flour is 3 pounds, how much does it cost ? (1pound=16 ounces)
2 answers:
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Start from the parent function
In the first case, you are computing
In the second case, you are computing
, you translate the function horizontally,
units left if
and
units right if
.
On the other hand, when you transform , you translate the function vertically,
units up if
and
units down if
.
So, the first function is the "original" parabola , translated
units right and
units up. Likewise, the second function is the "original" parabola
, translated
units left and
units down.
So, the transformation from to
is: go
units to the left and
units down
A ↔ B ↔ C ↔ D ↔ E ↔ F
8 7
???
AB + BC + CD = AD <em>segment addition postulate</em>
+ 8 + 7 = AD
+ 15 = AD
AD + 60 = 4AD
60 = 3AD
20 = AD
AB = =
= 5
DE = =
= 4
CD + DE + EF = CF <em>segment addition postulate</em>
7 + 4 + EF = CF
11 + EF = CF
Answer: 11 + EF
Note: You did not provide any info about EF. If you have additional information that you did not type in, calculate EF and add it to 11 to find the length of CF.