Answer:
The parent function for a quadratic is f(x) = x^2. If there is something other than this, that is how you know it is a quadratic transformation.
Answer:
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Step-by-step explanation:
Answer:
2 significants choes the least significant digets which is 19.35
result is 221,267.25
Answer:
12 years younger.
Step-by-step explanation:
Let Jan's age be J and Karyn's age be K.

Jan's age 8 years ago is 2/5 of Karyn's age 4 yeaRs from now.

=> 
=> 4K = 48 X 3
=> K= 36.
=> J= 24.
So Jan is 12 years younger.
c. the number of persons allegric to penicillin