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3 years ago

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Jessica has $1,200 in a savings account that earns 3% simple interest. If she does not make any withdrawals or deposits, how muc

h money will Jessica earn in simple interest in 9 months?

1 answer:

vova2212 [387]3 years ago

3 0

1200 * .03 * .75 = $27.00.

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Answer:

The average rate of change from x=0 to x=1 for f(x) is 0.

Step-by-step explanation:

We are given the function $f(x)=-3x^{4}-x^{3}+3x^{2}+x+3$ .

Now, the rate average rate of change of a function from $y=x_{1}$ to $y=x_{2}$ is given by $\frac{f(x_{2})-f(x_{1})}{x_{2}-x_{1}}$ .

As, we need the rate of change from x = 0 to x = 1.

So, we will find the values of f(0) and f(1).

i.e. $f(0)=-3\times0^{4}-0^{3}+3\times0^{2}+0+3$ i.e. f(0) = 3

and $f(1)=-3\times1^{4}-1^{3}+3\times1^{2}+1+3$ i.e. $f(1)=-3-1+3+1+3$ i.e. f(1) = 3

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Hence, the average rate of change from x=0 to x=1 for f(x) is 0.

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Step-by-step explanation:

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A. Correct choice is C

B. Correct choice is B

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4 times the number x is 4x.

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