paulbao1362 paulbao1362
  • 04-07-2017
  • Mathematics
contestada

Find the linear function of f when x intercept is 6 and f^-1(3)=5

Respuesta :

apologiabiology
apologiabiology apologiabiology
  • 04-07-2017
remember
if f(x)=y then f⁻¹(y)=x


so since f⁻¹(3)=5, f(5)=3, a point is (5,3)
x intercept is 6
so another point is (6,0)
so
the slope between (5,3) and (6,0) is (0-3)/(6-5)=-3/1=-3
ok, so when x=6, y=0
0=-3(6)+b
0=-18+b
18=b

y=-3x+18 is equation
or
f(x)=-3x+18
Answer Link

Otras preguntas

Please help me solve this.
From a group of 15 men and 12 women, how many ways can you select a group of 2? Answer:
How common are STDs and what can you do to protect yourself?
In _____ personality disorder, the affected person is aggressive and ruthless, and shows no sign of the conscience that would inhibit wrongdoing.
How does distillation work.
Why is partial pressure of oxygen greater at lower levels in water.
Does anyone know what the answer to the question is?
A married couple had a combined annual income of $58,000. The wife made $2000 more than her husband. What was each of their incomes?
A store had 64 hats on stock on friday. They had 48 left on Saturday. The amount went down by 16. PLS HELP!!!
Emilia waited 11 minutes for the bus today. That is 4 minutes less than she waited yesterday. How long did Emilia wait for the bus yesterday?