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yKpoI14uk [10]
2 years ago
14

What is the value of f(7)

Mathematics
2 answers:
kkurt [141]2 years ago
8 0
F(7) means f(x) when x = 7. The x is replaced with 7.

So we'll replace every x with 7 to go from x = 7 to 3-x = 3-7 = -4

Put another way
f(x) = 3-x
f(7) = 3-7
f(7) = -4

Answer: -4
Irina-Kira [14]2 years ago
4 0
Answer. -4.
 
<span>*f - 3 = -5 (x-0) </span>
<span>f= -5x + 3 </span>

<span>*f - (-3)= -5 (x - 1) </span>
<span>f + 3 = -5x +4 </span>
<span>f= -5x+5 -3 </span>
<span>f= -5x+1</span>
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Neal opened a savings account 11 years ago with a deposit of $2,335.69. The account has an interest rate of 4.3% compounded dail
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Answer: $1,412.52

Step-by-step explanation:

Formula to calculate the accumulated amount if <em>P</em> principal invested for <em>t </em>years at a rate of interest <em>r</em> that compounded daily is given by:-

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

Given: P= $2,335.69

r= 4.3%= 0.043

t= 11 years

Then,

A=2335.69(1+\dfrac{0.043}{365})^{365\times11}\\\\=2335.69(1+0.000117808219178)^{4015}\\\\=2335.69(1.000117808219178)^{4015}\\\\= 2335.69(1.6047566747)\\\\=3748.09044309\approx3748.21\\\\\Rightarrow\ A=\$3748.21

Interest earned = A-P

= $3748.21- 2335.69.

= $1412.52

Hence, Neal earned $1,412.52 as interest.

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