There are 8 girls and 5 boys on the math team. Which ratio correctly describes the relationship between boys and girls on the ma
2 answers:
You might be interested in
Answer with Step-by-step explanation:
We are given that
For each real number
To prove that f is one -to-one.
Proof:Let and
be any nonzero real numbers such that
By using the definition of f to rewrite the left hand side of this equation
Then, by using the definition of f to rewrite the right hand side of this equation of
Equating the expression then we get
Therefore, f is one-to-one.
Answer:
pencils= .75 erasers= .29¢
Step-by-step explanation:
