rowayda1977 rowayda1977

22-10-2018
Mathematics

contestada

Find an algebraic representation for an exponential function if it is known that f(0)=30 and f(2)=18

Respuesta :

Аноним Аноним

22-10-2018

Answer:

f(x) = 30(0.7746)^x

Step-by-step explanation:

30 (y)^0 = 30

30(y)^2 = 18 We need to find the value of y.

y^2 = 18/30 = 0.6

y = sqrt0.6 = 0.7746

so the exponential function is 30(0.7746)^x

Answer Link

Otras preguntas

IN A CLASS OF 30 STUDENTS 13 OF THEM ARE BOYS WHAT PERCENTAGE ARE GIRLS? GIVE THE ANSWER TO 1 DECIMAL PLACE

arah has optimal health, but she lives in a metro area that has high levels of air pollution. Which dimension of health will be lower for Sarah? A. Psychologi

When the dominant culture, without the use of force, persuades the rest of society that its beliefs and values are the only or best values, it has achieved: a.

1. What is 5/9 written as a decimal? A. 0.45 B. 0.4 (with a repeating symbol over the 4) C. 0.5 D. 0.5 (with a repeating symbol over the 5)

Write down a differential equation of the form dy/dt = ay + b whose solutions have the required behavior as t → ∞. all other solutions diverge from y = 2.

What is the value of x? ___cm

Use the function s=8r+14 to find the value of s when r=3.

Anna, Vickie, and Luana are sisters. Anna is 3 years older than Vickie and Luana is 2 years younger than Vickie. Use v for Vickie’s age. Write expressions to sh

Need Help ASAP!!!!!!!!!!!!!!!!!!!!

A bag of potatoes weighs 7 and 1/2 pounds. Of the potatoes in the bag, 1/6 are rotten. What is the weight of the good potatoes?