Alex puts $2000 in a saving account. after 4 years, she had $2543 in the account. what rate of interest did she earn? use the formula a=pe^rt, where a is the ending amount, p is the principal (initial amount), r is the interest rate, and t is time. a. 24% b. 12% c. 6% d. 8%

Total = Principal * e ^ (rt)

We must solve this for rate:

rate = (ln (end amt / bgn amt)) / time

rate = (ln (2,543 / 2,000)) / time

rate = (ln (1.2715)) / 4

rate = 0.24019730588 / 4

rate = 0.0600493265

This would round to 6 per cent.

Answer is C

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4. the function is translated 5 units downwards.

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5. the function is reflected across x-axis.

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6. the function is reflected across y-axis.

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step-by-step explanation:

mark brainliest.

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