If the question is, "What is the scale factor." That would be a scale (factor) of 2.
Answer:
f(x)=10+0.25x
she can put maximum 20 words
Step-by-step explanation:
f(x)<=15
10+0.25x<=15
0.25x<=5
x<=20
If you calculate 20^10/4^42 then you will find out it equals25