3 years ago

Determine whether this is a function or not. Explain. y=1/2(x)-6

Mathematics

2 answers:

Marat540 [252]3 years ago

8 0

Yes, it follows the standard function of a slope. This is y=mx+b, with m being the slope and b being the y-intercept.

vitfil [10]3 years ago

6 0

Yes it is a function any single value of x has only one value of y

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Write an expression to describe the situation.

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Suppose Maria places $5500 in an account that pays 2% interest compound each year. Assume that no withdrawals are made from the

kykrilka [37]

Answer:

After 1 year: $5,610

After 2 years: $5,722.20

Step-by-step explanation:

Use the formula for periodic compounding interest, which is

A = P(1 + r/n)^(nt), where A is the final amount, P is the initial deposit, r is the interest rate as a decimal, n is the number of times the interest is compounded per year, and t is how many years.

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t = 1 for the first answer, t = 2 for the second answer (1 year, then for 2 years)

Plug the known values in to solve...

For 1 year...

A = 5,500(1 + 0.02/1)^(1*1)

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A = 5,610

For 2 years...

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A = 5,500(1.02)²

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4 years ago