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VARVARA [1.3K]
3 years ago
13

The balance of an account earning compound interest is found using the formula A=p(1+r)t , where p is the principal (the amount

invested), r is the interest rate, and t is the time in years. What is the account balance after 6 years, if $1,000 is invested at 8%? Round your answer to the nearest whole number.
Mathematics
1 answer:
Nataly [62]3 years ago
5 0
Hi there

A=1,000×(1+0.08)^(6)
A=1,586.87
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Answer:

See the explanation.

Step-by-step explanation:

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Y- intercept :

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This is an equation of parabola having the vertex at (-1,-5) and axis parallel to + y-axis

Therefore, the minimum point is (-1,-5)

Domain :  

x can be any real number

Range:  

f(x) ≥ - 6

Interval of increase:

Since this is a parabola having the vertex at (-1,-5) and axis parallel to + y-axis.

Therefore, interval of increase is +∞ > x > -1

Interval of decrease:

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End behavior :  

f(x) = x^{2} +2x-5 =x^{2}  (1+\frac{2}{x} -\frac{5}{x^{2} } )

So, as x tends to +∞ , then f(x) tends to +∞

And as x tends to -∞, then f(x) tends to +∞. (Answer)

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