(PLEASE HELP! I'LL GIVE BRAINLIEST AWARD FOR THE PERSON WHO SHOWS THEIR WORK. PLEASE I NEED HELP!!)
1. Evaluate the function below over the domain {-1, 0, 1, 2}. As the values of the domain increase, do the values of the function increase or decrease?
y=(3/4)

2. Suppose an investment of $5,000 doubles every 12 years. How much is the investment worth after 36 years? After 48 years?
Write and solve an exponential equation.

3. Does the function represent exponential growth or exponential decay? Identify the growth or decay factor.
y=9x(1/2)^x

4. You deposit $520 in an account with 4% interest compounded monthly. What is the balance in the account after 5 years?

Question

06-02-2017
Mathematics

contestada

(PLEASE HELP! I'LL GIVE BRAINLIEST AWARD FOR THE PERSON WHO SHOWS THEIR WORK. PLEASE I NEED HELP!!)
1. Evaluate the function below over the domain {-1, 0, 1, 2}. As the values of the domain increase, do the values of the function increase or decrease?
y=(3/4)

2. Suppose an investment of $5,000 doubles every 12 years. How much is the investment worth after 36 years? After 48 years?
Write and solve an exponential equation.

3. Does the function represent exponential growth or exponential decay? Identify the growth or decay factor.
y=9x(1/2)^x

4. You deposit $520 in an account with 4% interest compounded monthly. What is the balance in the account after 5 years?

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KatelynKaley KatelynKaley · Answer 1 · 2017-02-06T22:03:37+01:00

I'm not so sure about number 1. sorry

2. If an investment of 5,000 dollars doubles every 12 years and you have to figure it out for 36 years which 12 can go into 36 3 times, you do 5,000 dollars times 6. you do it times 6 because you have to double it. "an investment of $5,000 "doubles" every 12 "
3. The represent exponential growth and it is 4. (I'm not so good with this type of math but I think this is right. I can't really explain it. Sorry)
4. $520x4% after 5 years would be 36,400 dollars or percent.

Glad to help! :)