Answer:
Step-by-step explanation:
Ratios are no different from fractions. They are "comparisons" of 2 or more things. Instead of fraction bars, they use colons to separate 2 different things.
For example:


Now, let's do an example problem.
Ex: find the ratio of 5 cats to every dog.
We are comparing 5 cats to every 1 dog, so the ratio is:

Don't make thing more complicated to yourself, and don't overthink it. They are exactly like fractions. So treat them as such!
Ping-pong ball, Volley Ball and Basketball
Answer:
Its ]-infinity,+infinity[ for both domain and range
Step-by-step explanation:
Answer:
The transformed function is
,
.
Step-by-step explanation:
Let be
and
continuous functions in x. In this case, the stretch factor consist on multiplying
by a scalar factor, so that:
, 
The stretch factor is:
, 
If
and
, then:



The transformed function is
,
.
Answer:
TS and RS
Step-by-step explanation:
Chords are TS and RS