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Alisiya [41]
3 years ago
6

given the arithemtic or geometric sequence, identify f(0) and the common difference ratio f(x) = 4-2/3x

Mathematics
1 answer:
ankoles [38]3 years ago
7 0

<u>Answer: </u>

Required value of f(0) = 4 and common difference of given sequence is \frac{-2}{3}

<u>Solution: </u>

Given sequence rule for arithmetic sequence is  \mathrm{f}(\mathrm{x})=4-\left(\frac{2}{3}\right) x

We need to determine f(0) and common difference

Calculating f(0).

Substituting x = 0 in given sequence rule  we get

\begin{array}{l}{f(0)=4-\left(\frac{2}{3}\right) 0} \\ {=4-0=4}\end{array}

Calculating common difference  

Let’s first calculate f(1) and f(2).

Substituting x = 1 in given sequence rule  

\begin{array}{l}{\mathrm{f}(1)=4-\left(\frac{2}{3}\right) 1} \\ {=4-\left(\frac{2}{3}\right)=\frac{10}{3}}\end{array}

\mathrm{f}(2)=4-\left(\frac{2}{3}\right) 2=4-\left(\frac{4}{3}\right)=\frac{8}{3}

Common Difference can be found by subtracting f(1) from f(2)

\text { Common difference }=\mathrm{f}(2)-\mathrm{f}(1)=\left(\frac{8}{3}\right)-\left(\frac{10}{3}\right)=\frac{-2}{3}

Hence required value of f(0) = 4 and common difference of given sequence is \frac{-2}{3}

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