The answer for the question is y = 3x + 5
Answer:
If Father is four times older than Mary, that would be 4 times 10-- which equals 40. Five years ago, Mary must have been 5 years old. So, multiply 7 and 5 and you'll get 35! Father would have been 35 years old.
I hope this helps!
Step-by-step explanation:
Aplicando la función, los valores numéricos son
:




La función es dada por:

Para los valores numéricos, reemplazamos x, luego:




Un problema similar es dado en brainly.com/question/7037337
Answer:
3
Step-by-step explanation:
replace all x variables with 1 and solve that equation ; f(x)=x-8 so.... f(x) = 1-8
there for f(1)=-7
now, add -7 and 10 for your answer:
f(1)+10= 3