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3 years ago

Given h(t)=-2(t+5)^2+4, find h(-8)

Mathematics

2 answers:

garik1379 [7]3 years ago

6 0

Answer:

-14

Step-by-step explanation:

h(-8) = -18 + 4 = -14

alexandr402 [8]3 years ago

5 0

Substitute -8 for t in <span>h(t)=-2(t+5)^2+4:

h(-8) = -2(-8+5)^2 + 4 = -2(-3)^2 + 4 = -2(9) + 4 = -18 + 4

h(-8) = -18 + 4 = -14 (answer)</span>

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3 years ago

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kompoz [17]

Answer: $ 55

Step-by-step explanation:

When interest is compounded continuously, the final amount will be

$A=Pe^{rt}$

When interest is compounded daily, the final amount will be

$A=P(1+\dfrac{r}{365})^{365t}$

, where P= Principal , r = rate of interest , t = time

For Hunter , P= $750, r = $6\dfrac{5}{8}\%=\dfrac{53}{8}\%=\dfrac{53}{800}=0.06625$

t = 18 years

$A=750e^{0.06625(18)}=\$2471.48$

For London , P= $750, r = $6\dfrac{1}{2}\%=\dfrac{13}{2}\%=\neq \dfrac{13}{200}=0.065$

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Hence, Hunter would have $ 55 more than London in his account .

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3 years ago