Answer: Option D.
Step-by-step explanation:
The translation is defined as

Where, k is stretch factor.
If 0<k<1, then the graph compressed vertically by factor k and if k>1, then the graph stretch vertically by factor k.
It is given that,

After transformation the function becomes

here, k=4>1, so the graph was stretched vertically by a factor of 4.
Therefore, the correct option is D.
Answer:
3.09
Step-by-step explanation:
The answer is SA=294
To get it you do 6*7^2
Divide by 10 to find how many tens he needs.
1200/10 = 120
Answer: He needs 120 tens
Well the square root of 60 is 7.745966692 so 8 would be the absolute closest you can get